Yokozuna Harumafuji, right, pushes sekiwake Baruto out of the ring on Day 9 of the Spring Grand Sumo Tournament on March 18 at Osaka's Prefectural Gymnasium. (Ryo Ikeda)
SUMO/ Hakuho sails through easily on Day 9, stays 2 ahead
Yokozuna Hakuho walked away from the action at the Spring Grand Sumo Tournament on March 18 in Osaka with his ninth win and only two wrestlers--ozeki Kotoshogiku and rank-and-filer Okinoumi--remain with a glimmer of hope with two losses.
Yokozuna Harumafuji, right, is pushed out of the ring by No. 4 maegashira Toyonoshima to suffer his third loss on Day 8 of the Spring Grand Sumo Tournament on March 17 at Osaka's Prefectural Gymnasium. (Ryo Ikeda)
SUMO/ Yokozuna Hakuho opens up 2-win cushion on Day 8
Mongolian yokozuna Hakuho bulldozed his way one step closer to his 23rd career title as he won his eighth straight bout on March 17 at the Spring Grand Sumo Tournament in Osaka, after watching rival Harumafuji collapse to his third defeat.
Yokozuna Hakuho, left, throws No. 2 maegashira Chiyotairyu to the dirt in their first-ever meeting to maintain sole possession of the lead in the Spring Grand Sumo Tournament on March 15 in Osaka's Prefectural Gymnasium.  (Yoshinori Mizuno)
SUMO/ Cautious Hakuho remains perfect to maintain lead on Day 6
Yokozuna Hakuho flipped rising star Chiyotairyu to the dirt in their first-ever face-off to hold onto the sole lead at the Spring Grand Sumo Tournament on March 15, with sekiwake Baruto and several rank-and-file wrestlers trailing one loss behind.
Yokozuna Harumafuji, right, drives No. 2 maegashira Myogiryu out of the ring on Day 5 of the Spring Grand Sumo Tournament on March 14 in Osaka's Prefectural Gymnasium. (Kenta Sujino)
SUMO/ Hakuho stays undefeated, Kakuryu, Baruto stay one loss back on Day 5
Hakuho outclassed his fifth opponent at the Spring Grand Sumo Tournament on March 14 as junior yokozuna Harumafuji snapped out of his slump and ozeki Kakuryu and sekiwake Baruto remained just one loss back.
Yokozuna Harumafuji, left, falls to the dirt as No. 2 maegashira Chiyotairyu pushes him down for a surprise win on Day 4 of the Spring Grand Sumo Tournament on March 13 in Osaka's Prefectural Gymnasium. (Kenta Sujino)
SUMO/ Harumafuji stumbles again to give Hakuho comfortable lead on Day 4
Unbeaten yokozuna Hakuho assumed the sole lead at the Spring Grand Sumo Tournament on March 13 as sekiwake Baruto faltered and rival Harumafuji hit the self-destruct button for the second time in as many days.
Yokozuna Harumafuji, left, is thrust to the dirt by top maegashira Takayasu on Day 3 of the Spring Grand Sumo Tournament on March 12 at Osaka's Prefectural Gymnasium. (Kenta Sujino)
SUMO/ Harumafuji bites the dust on Day 3 as winning streak ends
Defending champion Harumafuji's winning streak came to an abrupt end on March 12 at the Spring Grand Sumo Tournament in Osaka's Prefectural Gymnasium, leaving Mongolian rival Hakuho and Estonian sekiwake Baruto in the lead with unbeaten records after the first three days.
Yokozuna Harumafuji, front, shoves top maegashira Tochinoshin out of the ring to claim an easy win on Day 2 of the Spring Grand Sumo Tournament on March 11 at Osaka's Prefectural Gymnasium. (Kenta Sujino)
SUMO/ Hakuho celebrates birthday with win while 3 ozeki fall on Day 2
Sumo's Mongolian alpha males dominated the ring for a second day on March 11 at the Spring Grand Sumo Tournament, with yokozuna Hakuho and Harumafuji claiming convincing wins and Kakuryu emerging as the only ozeki still unbeaten as all three of his peers fizzled in upsets.
Yokozuna Hakuho, right, twists komusubi Aminishiki down to the dirt on Day 1 of the Spring Grand Sumo Tournament on March 10 at the Osaka Prefectural Gymnasium. (Shinnosuke Ito)
SUMO/ All 6 top wrestlers off to winning starts on Day 1
All six of the top wrestlers won their opening bouts at the Spring Grand Sumo Tournament on March 10, with Mongolia's yokozuna duo leading the way in what could be a very exciting--and a fairly closely matched--race for dominance at the Osaka Prefectural Gymnasium.
Takamisakari throws salt at the New Year Grand Sumo Tournament on Jan. 27. (Sayaka Yamaguchi)
SUMO/ Takamisakari, popular ‘RoboCop’ wrestler, retires
Sumo wrestler Takamisakari, nicknamed “RoboCop” for his jerky pre-bout ritual that helped him overcome fear while drawing applause from the crowds for more than 10 years, retired from the ring on Jan. 27.
Yokozuna Harumafuji, left, pushes Mogolian rival yokozuna Hakuho out of the ring to win the New Year Grand Sumo Tournament in Tokyo with perfect record of 15-0 on Jan. 27. (Sayaka Yamaguchi)
SUMO/ Yokozuna Harumafuji wins tournament with perfect record, defeating rival Hakuho on final day
Mongolian yokozuna Harumafuji dominated nemesis Hakuho on Jan. 27 to finish the New Year Grand Sumo Tournament with a perfect 15-0 record, his first at the sport's highest rank.
Yokozuna Harumafuji pushes ozeki Kakuryu out of the ring on Day 14 of the New Year Grand Sumo Tournament in Tokyo on Jan. 26. (Sayaka Yamaguchi)
SUMO/ Harumafuji wins first title as yokozuna, vows to defeat Hakuho on final day
Yokozuna Harumafuji won his fifth career title and his first at sumo's highest rank on the penultimate day of the New Year Grand Sumo Tournament in Tokyo.
Yokozuna Harumafuji, right, pushes ozeki Kisenosato out of the ring on Day 13 of the New Year Grand Sumo Tournament in Tokyo on Jan. 25. (Ryo Kato)
SUMO/ Harumafuji moves closer to title, while Baruto loses chance on Day 13
Unbeaten yokozuna Harumafuji scratched one potential threat off his list on Jan. 25 at the New Year Grand Sumo Tournament, as sekiwake Baruto also saw his last chance to return to his former ozeki rank slip through his grasp with a disappointing loss.
Yokozuna Harumafuji throws ozeki Kotoshogiku to the dirt on Day 12 of the New Year Grand Sumo Tournament in Tokyo on Jan. 24. (Ryo Kato)
SUMO/ Harumafuji in the driver's seat as Hakuho stumbles on Day 12
Undefeated Harumafuji took a step closer to his first championship of 2013 by whipping ozeki Kotoshogiku on Jan. 24, while rival Hakuho tumbled out of the ring for his second loss.
Yokozuna Harumafuji, left, demolishes ozeki Kotooshu on Day 11 of the New Year Grand Sumo Tournament in Tokyo on Jan. 23. (Shiro Nishihata)
SUMO/ Yokozuna duo start ozeki run with easy wins on Day 11
Mongolian yokozuna duo Harumafuji, who is unbeaten, and Hakuho, with just one loss, made it safely through their first bouts with ozeki opponents at the New Year Grand Sumo Tournament on Jan. 23 to maintain their one-two formation at the top.
Sekiwake Goeido (5-5), front, is pushed out of the ring by yokozuna Hakuho, who remained only one loss behind undefeated yokozuna Harumafuji, on Day 10 of the New Year Grand Sumo Tournament in Tokyo on Jan. 22. (Shiro Nishihata)
SUMO/ Harumafuji, Hakuho overwhelm opponents on Day 10
Mongolian yokozuna Harumafuji's star continued to shine at the New Year Grand Sumo Tournament in Tokyo's Ryogoku Kokugikan on Jan. 22 as he grabbed his 10th straight win and maintained a one-win margin over rival Hakuho, who is looking more and more like the only wrestler able to stand in his way.
Kakuryu, left, easily pushes Kotooshu out of the ring to win the day's only ozeki-versus-ozeki pairing on Day 9 of the New Year Grand Sumo Tournament in Tokyo on Jan. 21. (Hiroshi Kawai)
SUMO/ Harumafuji looks unbeatable on Day 9 as he retains lead
Mongolian yokozuna Harumafuji devastated sekiwake Goeido to remain unbeaten after nine days at the New Year Grand Sumo Tournament on Jan. 21, while Hakuho, one loss back, cruised to victory over the once-formidable Baruto.
Taiho, second from left, practices the traditional ring entering ceremony in the Nagoya tournament in 1963. (Asahi Shimbun file photo)
SUMO/ Obituary: Taiho, legend of the Showa Era, left his mark on the sport
With his handsome face and unrivaled strength, the legendary yokozuna Taiho was a natural hero for the early years of sumo broadcasts on TVs across the nation.
No. 4 maegashira Gagamaru falls to the ring as yokozuna Harumafuji watches on Day 8 of the New Year Grand Sumo Tournament in Tokyo on Jan. 20. (Sayaka Yamaguchi)
SUMO/ Harumafuji survives scare to stay 1 up on Hakuho on Day 8
Unbeaten yokozuna Harumafuji sent another victim sprawling to defeat on Jan. 20 at the New Year Grand Sumo Tournament to hold onto his one-win advantage over Mongolian rival Hakuho, who also won with ease.
Taiho won the first sumo tournament championship in November 1960. (Asahi Shimbun file photo)
Former sumo grand champion Taiho dies
Former sumo grand champion Taiho, whose 32 championships are the most in the history of Japan's ancient sport, has died at age 72.
Yokozuna Hakuho throws maegashira Toyohibiki on Day 7 of the New Year Grand Sumo Tournament in Tokyo on Jan. 19. (Sayaka Yamaguchi)
SUMO/ Harumafuji keeps perfect, followed by Hakuho, on Day 7
Mongolian yokozuna Harumafuji added one more win to his unbeaten streak at the New Year Grand Sumo Tournament on Jan. 19 as nemesis Hakuho continued to trail just one loss behind.