I have been active in "sports interwiki" (mainly tennis and golf) with my IP addresses. However, they have changed so often...I decided to take a login name to identify myself.

• My IP addresses: 222.14.94.13 → 219.125.181.138 → 222.3.118.92 → 222.14.85.61 → 222.14.106.49 → 222.14.95.31 → 222.3.114.115
• My contributions: [1] → [2] → [3] → [4] → [5] → [6] → [7]

I started to write tennis articles in Japanese Wikipedia since November 2004; I wrote their Japanese Version myself.

• Female players: Steffi Graf, Justine Henin, Elena Dementieva, Svetlana Kuznetsova, Amélie Mauresmo, Jelena Dokić, Venus Williams, Serena Williams, Helen Wills Moody, Martina Navrátilová, Kimiko Date, Jana Novotná, Iva Majoli, Mary Pierce, Gabriela Sabatini, Nadia Petrova, Anna Kournikova, Anke Huber, Conchita Martínez, Arantxa Sánchez Vicario, Andrea Jaeger, Sylvia Hanika, Virginia Wade, Naoko Sawamatsu, Suzanne Lenglen, Amanda Coetzer, Tracy Austin, Mary Joe Fernández, Zina Garrison, Akiko Morigami, Rika Hiraki, Nathalie Tauziat, Hana Mandlíková, Claudia Kohde-Kilsch, Julie Halard-Decugis, Magdalena Maleeva, Pam Shriver, Maureen Connolly, Helena Suková, Natasha Zvereva, Saori Obata, Dominique Monami, Catarina Lindqvist, Mana Endo, Tamarine Tanasugarn, Silvia Farina Elia, Brenda Schultz-McCarthy, Manuela Maleeva, Katerina Maleeva, Patty Schnyder, Olga Morozova, Margaret Smith Court, Chanda Rubin, Anna Smashnova, Françoise Durr, Maria Bueno, Althea Gibson, Etsuko Inoue, Kazuko Sawamatsu, Betty Stöve, Vera Zvonareva, Aiko Nakamura, Lottie Dod, Mima Jaušovec, Virginia Ruzici, Bettina Bunge, Evonne Goolagong, Virginia Ruano Pascual, Paola Suárez, Wendy Turnbull, Gigi Fernández, Nathalie Dechy, Kathy Jordan, Francesca Schiavone, Irina Spîrlea, Nana Miyagi, Sabine Appelmans, Elena Likhovtseva, Ann Kiyomura, Yayuk Basuki, Katarina Srebotnik, Dinara Safina, Corina Morariu, Alicia Molik, Sandrine Testud, Fabiola Zuluaga, Zheng Jie, Yan Zi, Blanche Bingley, Amy Frazier, Li Ting, Sun Tiantian, Anne Kremer, Barbara Jordan, Maud Watson, Liezel Huber, Jadwiga Jedrzejowska, Eleni Daniilidou, Meghann Shaughnessy, Cilly Aussem, Hilde Krahwinkel Sperling, Anita Lizana, Kornelia Bouman, Dorothy Round Little, Billie Jean King, Elizabeth Ryan, Rosemary Casals, Lillian Watson, Dorothea Douglass Chambers, Helen Jacobs, Nicole Vaidišová, Shahar Pe'er, Lisa Raymond, Samantha Stosur, Charlotte Cooper, Daphne Akhurst, Ellen Hansell, Rennae Stubbs, Rika Fujiwara, Sue Barker, Li Na, May Sutton, Simone Mathieu, Cara Black, Ana Ivanović, Jelena Janković, Lina Krasnoroutskaya, Mirjana Lučić, Jo Durie, Kerry Reid, Doris Hart, Shirley Fry, Margaret Osborne duPont, Louise Brough, Molla Mallory, Anne Smith, Tatiana Golovin, Věra Suková, Maria Vento-Kabchi, Flavia Pennetta, Chris O'Neil, Aniko Kapros, Kumiko Okamoto, Marion Bartoli, Esna Boyd, Andrea Temesvari, Margaret Molesworth, Lori McNeil, Nancye Wynne Bolton, Thelma Coyne Long, Barbara Schett, Iroda Tulyaganova, Elisabeth Moore, Ellen Roosevelt, Lena Rice, Elena Bovina, Lili de Alvarez, Kathleen McKane Godfree, Florenta Mihai, Renáta Tomanová, Marguerite Broquedis, Elizabeth Smylie, Ruxandra Dragomir, Nancy Richey, Raffaella Reggi, Stephanie Rehe, Helen Kelesi, Muriel Robb, Dora Boothby, Phyllis Mudford, Agnieszka Radwańska, Anna Chakvetadze, Victoria Azarenka, Lesley Turner Bowrey, Chan Yung-jan, Chuang Chia-jung, Ethel Thomson Larcombe, Karen Hantze Susman, Rita Grande, Mary Carillo, Kaia Kanepi, Kristie Boogert, Miriam Oremans, Patricia Tarabini, Els Callens, Fiorella Bonicelli, Larisa Neiland, Angelica Gavaldon, Belinda Cordwell, Angela Mortimer, Myrtle McAteer, Yola Ramírez, Mabel Cahill, Janette Husárová, Henrieta Nagyová, Winifred McNair, Dája Bedáňová, Dorothea Köring, Edith Hannam, Hedwiga Rosenbaumová, Květa Peschke, Ann Haydon-Jones, Judy Tegart, Helen Gourlay, Anabel Medina Garrigues, Mara Santangelo, Petra Mandula, Inés Gorrochategui, Barbara Paulus, Julie Heldman, Pauline Betz, Bertha Townsend, Aline Terry, Michaëlla Krajicek, Milagros Sequera, Juliette Atkinson, Kathy Rinaldi, Nell Hall Hopman, Joan Hartigan, Regina Maršíková, Alice Marble, Agnes Morton, Kay Stammers, Maud Barger-Wallach, Darlene Hard, Sybille Bammer, Cho Yoon-jeong, Alyona Bondarenko, Tatiana Perebiynis, Meredith McGrath, Betsy Nagelsen, Ágnes Szávay, Dorothy Cheney, Marion Jones, Angela Buxton, Coral Buttsworth, Sylvia Lance Harper, Margaret Scriven, Zsuzsa Körmöczy, Christine Truman, Emily Hood Westacott, Shirley Brasher, Mary Carter Reitano, Virginie Razzano, Jan Lehane, Nelly Landry, Patricia Canning Todd, Helga Niessen Masthoff, Bonnie Gadusek, Patty Fendick, Sandra Reynolds, Jill Hetherington, Carling Bassett-Seguso, Patricia Hy-Boulais, Lucie Šafářová, Rosalyn Fairbank, Mercedes Paz, Anastasia Rodionova, Kimberly Po, Nicole Arendt, Dorothy Shepherd-Barron, Angelique Widjaja, Sarah Palfrey Cooke, Marjorie Cox Crawford, Dally Randriantefy, Evelyn Colyer, Marta Domachowska, Hsieh Su-wei, Caroline Wozniacki, Kateryna Bondarenko, Akgul Amanmuradova, Peng Shuai, Elena Tatarkova, Dominika Cibulková, Rossana de los Ríos, Anna-Lena Grönefeld, Casey Dellacqua, Aleksandra Wozniak, Sesil Karatantcheva, Alisa Kleybanova, Carla Suárez Navarro (Yone Kamio, Naoko Kijimuta, Kyoko Nagatsuka, Miho Saeki, Yuka Yoshida, Naoko Sato, Sachiko Kamo, Emiko Okagawa, Junko Sawamatsu, Lucia Valerio, Grace Roosevelt, Erika Takao, Helen Hellwig, Evelyn Sears, Eleonora Sears, Marie Wagner, Helen Homans, Beryl Penrose, Mary Bevis Hawton, Katarzyna Nowak, Agnes Tuckey, Kathleen Atkinson, Sanae Inoue)
• Male players: Björn Borg, Mark Philippoussis, Petr Korda, Mats Wilander, Gustavo Kuerten, Jim Courier, Bill Tilden, Rafael Nadal, Richard Krajicek, Marcelo Ríos, Thomas Muster, Àlex Corretja, Thomas Johansson, Andrés Gómez, Jimmy Connors, Ivan Lendl, Michael Chang, Miloslav Mečíř, Don Budge, Zenzo Shimizu, Jiro Sato, Henri Leconte, Pat Cash, Nicolás Massú, Rainer Schüttler, Martin Verkerk, Marc Rosset, David Nalbandian, Todd Martin, Albert Costa, Gastón Gaudio, Andrei Medvedev, Greg Rusedski, Paradorn Srichaphan, Arthur Ashe, Rod Laver, Arnaud Clément, Roy Emerson, MaliVai Washington, Thomas Enqvist, Vitas Gerulaitis, Yannick Noah, Sébastien Grosjean, Sjeng Schalken, Mahesh Bhupathi, Henri Cochet, Nicolas Kiefer, Mariano Puerta, Fernando González, Alberto Berasategui, Magnus Norman, Fred Perry, Guillermo Coria, Jiří Novák, Guillermo Vilas, Leander Paes, Spencer Gore, Ilie Năstase, Andrei Chesnokov, Marcos Baghdatis, Mario Ančić, Ivan Ljubičić, John Newcombe, Mikael Pernfors, William Renshaw, Bobby Riggs, Reginald Doherty, Lawrence Doherty, Tony Roche, Jan Kodeš, Ken Rosewall, Lew Hoad, Ichiya Kumagae, Jarkko Nieminen, Manuel Orantes, Kevin Curren, Dominik Hrbatý, Gilles Muller, Stan Smith, Jean Borotra, Jacques Brugnon, Norman Brookes, Rafael Osuna, James Blake, Max Mirnyi, Ken Fletcher, Karol Kučera, Wojciech Fibak, Tom Okker, Nikolay Davydenko, Johan Kriek, Jonas Björkman, Seiichiro Kashio, Bill Johnston, Jack Crawford, Mark Woodforde, Todd Woodbridge, Ernest Renshaw, Richard Sears, Henner Henkel, Tommy Robredo, Tony Wilding, Chris Lewis, Roscoe Tanner, Daniel Nestor, Mark Knowles, Bob Bryan, Mike Bryan, Gerald Patterson, Fabrice Santoro, Michaël Llodra, Olivier Rochus, Xavier Malisse, Manuel Santana, Ted Schroeder, Mark Edmondson, Fernando Meligeni, Oliver Campbell, Sébastien Lareau, Adriano Panatta, Taylor Dent, Vincent Richards, Phil Dent, Neale Fraser, Nicola Pietrangeli, Gottfried von Cramm, Radek Štěpánek, Andrei Pavel, Nicolás Lapentti, Mikhail Youzhny, Jaroslav Drobný, Andy Murray, Ellsworth Vines, Adrian Quist, John Bromwich, Byron Black, Wayne Black, Sven Davidson, Kevin Ullyett, Rodney Heath, Frank Hadow, Victor Pecci, Kurt Nielsen, John Lloyd, Wayne Ferreira, Jacco Eltingh, Paul Haarhuis, Richard Gasquet, Frank Sedgman, Ken McGregor, Brian Teacher, Fred Stolle, Alex Olmedo, Tim Mayotte, Novak Đoković, Łukasz Kubot, Andrés Gimeno, Go Soeda, Aaron Krickstein, Mardy Fish, Harry Hopman, Karel Nováček, Pierre Darmon, Pancho Gonzales, Max Décugis, Steve Denton, Peter Fleming, Jakob Hlasek, Guy Forget, Alejandro Falla, David Ferrer, Guillermo Cañas, Chuck McKinley, Martin Mulligan, Brian Gottfried, Raúl Ramírez, Sargis Sargsian, Sidney Wood, John Sadri, Anders Järryd, Arthur Gore, Vivian McGrath, Arnaud di Pasquale, Harold Solomon, Kim Warwick, Hendrik Timmer, Harold Mahony, Lee Hyung-taik, Alex Metreveli, Hicham Arazi, Beals Wright, André Gobert, Maurice Germot, Igor Andreev, Alexander Vladimirovich Volkov, William Bowrey, Henry Austin, Onny Parun, Andy Ram, Josiah Ritchie, Ashley Cooper, Henry Slocum, Robert Wrenn, Herbert Lawford, Dennis Ralston, Fred Alexander, Edgar Moon, Tony Trabert, Francis Hunter, Louis Raymond, Wilfred Baddeley, Herbert Baddeley, Mansour Bahrami, Charles Winslow, Wesley Moodie, Brad Gilbert, David Wheaton, Andrei Cherkasov, John Fitzgerald, Willoughby Hamilton, Joshua Pim, John Hartley, Herbert Flam, Yvon Petra, József Asbóth, Art Larsen, Frank Parker, Marcel Bernard, Mervyn Rose, Dick Savitt, Budge Patty, Dinny Pails, Don McNeill, Bob Falkenburg, Vic Seixas, Luis Ayala, Tomáš Berdych, Cyril Suk, Daniel Vacek, Jason Stoltenberg, Sandon Stolle, Kenneth Carlsen, Bob Hewitt, Frew McMillan, Malcolm Whitman, Eric Sturgess, Alex O'Brien, Wilmer Allison, John Van Ryn, William Larned, Ernests Gulbis, John Doeg, Gardnar Mulloy, George Lott, Harold Hackett, Lindley Murray, Frank Shields, Joe Hunt, Ernie Parker, Janko Tipsarević, Jo-Wilfried Tsonga, Jonathan Erlich, Joachim Johansson, Algernon Kingscote, Keith Gledhill, Marcelo Filippini, Frederick Hovey, Rhys Gemmell, Gene Mako, Holcombe Ward, William Clothier, Clarence Clark, Clarence Griffin, Maurice McLoughlin, Arthur O'Hara Wood, Horace Rice, Gordon Lowe, Pablo Cuevas, Luis Horna, James Anderson, Manuel Alonso, Mariusz Fyrstenberg, Marcin Matkowski, Horst Skoff, Umberto De Morpurgo, Colin Gregory, Juan Martín del Potro, Pat O'Hara Wood, Vijay Amritraj, R. Norris Williams, John Pius Boland, Malcolm Anderson, John Hawkes, James Cecil Parke, Agustín Calleri, José Acasuso, Jürgen Melzer, Jack Kramer (Atsushi Miyagi, Kosei Kamo, Tatsuyoshi Miki, Jiro Yamagishi, Ryosuke Nunoi, Takeichi Harada, Masanosuke Fukuda, Toshiro Sakai, Charles Garland, Malcolm Chace, John Marks, Fumiteru Nakano, Jiro Kumamaru, Iwao Aoki, Lum Pao-Hua) / The Four Musketeers -- Exception: I made Shuzo Matsuoka for English Version.
• Lists: List of Wimbledon Gentlemen's Singles champions, List of Wimbledon Ladies' Singles champions, List of US Open Men's Singles champions, List of US Open Women's Singles champions, List of French Open Men's Singles champions, List of French Open Women's Singles champions, List of Australian Open Men's Singles champions, List of Australian Open Women's Singles champions, Australian Open champions (Men's Doubles), Australian Open champions (Women's Doubles), Australian Open champions (Mixed Doubles), French Open champions (Men's Doubles), French Open champions (Women's Doubles), French Open champions (Mixed Doubles), List of Wimbledon Doubles champions, List of Wimbledon Mixed Doubles champions, US Open champions (Men's Doubles), US Open champions (Women's Doubles), US Open champions (Mixed Doubles)
• Other tennis articles: Davis Cup, International Tennis Hall of Fame, Tennis at the Summer Olympics, Hamburg Masters, Cincinnati Masters, Paris Masters
• Subpage: User:Hhst/Japanese Tennis History Database (For Category:Japanese tennis players on English WP)

I have to keep on increasing tennis articles in Japanese Wikipedia; I'm still an only one writer in this field.

• Golf articles: Toshimitsu Izawa, Greg Norman, Michelle Wie, Phil Mickelson, Mike Weir, David Toms, Jim Furyk, Payne Stewart, Sergio García, Colin Montgomerie, Thomas Bjørn, Michael Campbell, Darren Clarke, Tsuneyuki Nakajima, Hidemichi Tanaka, Toru Taniguchi, Katsuyoshi Tomori, Todd Hamilton, David Duval, Lee Westwood, Nick Faldo, Bernhard Langer, José María Olazábal, Mark O'Meara, Ryuji Imada, David Smail, Taichi Teshima, Ian Woosnam, Gary Player, Tom Lehman, Nick Price, Costantino Rocca, Gene Sarazen, Geoff Ogilvy, Chris DiMarco, John Daly, Ángel Cabrera, Lorena Ochoa, Pádraig Harrington, Adam Scott, Horton Smith, Morgan Pressel, Justin Rose, Fred Couples, Steve Elkington, Steve Stricker, Choi Kyung-Ju, Trevor Immelman, Rocco Mediate, Ben Curtis, Prayad Marksaeng, Jeev Milkha Singh (Ryoken Kawagishi, Kaname Yokoo, Katsumasa Miyamoto, Yasuharu Imano, Shiho Ohyama, Akiko Fukushima) / WGC-Accenture Match Play Championship, WGC-CA Championship, World Cup Golf / Augusta National Golf Club -- Exception: I made Hisako Higuchi for English Version.