If you're looking for anime similar to Hustle, you might like these titles.
A teenage school dropout finds new meaning in life when he discovers sumo wrestling, heading off to Tokyo for the bright lights and training with an aging master of the sport.
Enter the semi-futuristic world of Neo Pro Wrestling -- wrestling that uses specially powered armored suits to boost a fighter's capabilities. Miku is an average teenage girl with the intent on becoming the best ever, even surpassing her idol, Aquamarine. Along with her teammates: Ginko, Sayaka, and Nana, the Pretty Four, can they go from rookies/pop idols to the champions of Neo Pro Wrestling?
A "small" new student, Ushio Hinomaru, appears before the weak little sumo club of Oodachi High School. The words "big" and "heavy" are the rules to this sport, which does not fit this newbie one bit, but Ushio surprises everyone. Ushio and the small sumo club climbs its way to the top with a goal to reach the highest rank, Hinoshita Kaisan.
The story follows Matsutarou Sakaguchi, a giant roughneck man with strength far beyond ordinary people. He never uttered words like "work hard," "strive," and "dream" like the typical shonen manga protagonist. However, he is stronger than anyone and peerless in sumo wrestling. His greatest weakness is his own carefree personality. He grows into a full-fledged sumo westler.
Tiger Mask, an unbeatable wrestler who always wears the mask of a tiger is a true friend to orphans. Nobody knows who he really is.
The main characters are Naoto Azuma and Takuma Fujii, two young pro wrestlers. They were trainees at a small wrestling organization called Zipangu pro wrestling, but it wound up getting crushed by the wicked pro wrestling organization Tiger's den. In retaliation, Naoto trains at the base of Mt. Fuji and becomes the new tiger mask, and Takuma meanwhile deliberately joins Tiger's den and becomes Tiger the dark. The legacy left behind by the original Tiger mask is inherited by a new wrestler...!