On March 8, 2018, the shogi player Fujii Sōta met his own teacher, Sugimoto Masataka, in an official game for the first time. Fujii won in 111 moves.
On June 20, 2020, they met again, and Fujii won in 95 moves. Daily Sports wrote that Fujii had once again made an ongaeshi, a repayment of a debt of gratitude, to his teacher.