is a Japanese table tennis player. With doubles partner Masataka Morizono, he won the gold medal in the men's doubles event at both the 2015 and 2017 ITTF World Tour Grand Finals, as well as winning a silver medal in men's doubles at the 2017 World Championships.
In May 2025, Oshima was selected by the Atlanta Blazers with the first overall pick in the 2025 MLTT Draft. He joined the team for the 2025âÂÂ2026 season following the league's expansion to ten franchises.
Oshima debuted during the second week of the 2025âÂÂ2026 season. In his first three matches, he recorded a 7âÂÂ2 singles record, including matches against Enzo Angles and Koki Niwa. By January 2026, Oshima held a 16âÂÂ11 singles record, a 59.3% winning percentage, and was ranked 17th in the league standings. During the season, he also competed for Ryukyu Asteeda in the Japanese T.League.
The following senior career records stand as of April 2018: