Fujii wins Game 1 of shogi's Osho series

Fujii wins Game 1 of shogi's Osho series

Defending champion Sota Fujii (R) and challenger Yoshiharu Habu reflect on Game 1 of a historic best-of-seven series for shogi's Osho title after Fujii beat Habu at a teahouse at Kakegawa Castle in the Shizuoka Prefecture city of Kakegawa, central Japan, on Jan. 9, 2023. If Habu, 52, captures the Osho title from 20-year-old Fujii, holder of four other major titles, it would be his 100th title tournament victory, an unprecedented achievement. (Pool photo)

Fujii wins Game 1 of shogi's Osho series

Fujii wins Game 1 of shogi's Osho series

Defending champion Sota Fujii (R) and challenger Yoshiharu Habu reflect on Game 1 of a historic best-of-seven series for shogi's Osho title after Fujii beat Habu at a teahouse at Kakegawa Castle in the Shizuoka Prefecture city of Kakegawa, central Japan, on Jan. 9, 2023. If Habu, 52, captures the Osho title from 20-year-old Fujii, holder of four other major titles, it would be his 100th title tournament victory, an unprecedented achievement. (Pool photo)

Fujii wins Game 1 of shogi's Osho series

Fujii wins Game 1 of shogi's Osho series

Veteran shogi player Yoshiharu Habu reflects on Game 1 of a historic best-of-seven series for shogi's Osho title after he was beaten by defending champion Sota Fujii at a teahouse at Kakegawa Castle in the Shizuoka Prefecture city of Kakegawa, central Japan, on Jan. 9, 2023. If Habu, 52, captures the Osho title from 20-year-old Fujii, holder of four other major titles, it would be his 100th title tournament victory, an unprecedented achievement. (Pool photo)

Fujii wins Game 1 of shogi's Osho series

Fujii wins Game 1 of shogi's Osho series

Defending champion Sota Fujii reflects on Game 1 of a historic best-of-seven series for shogi's Osho title after beating Yoshiharu Habu at a teahouse at Kakegawa Castle in the Shizuoka Prefecture city of Kakegawa, central Japan, on Jan. 9, 2023. If Habu, 52, captures the Osho title from 20-year-old Fujii, holder of four other major titles, it would be his 100th title tournament victory, an unprecedented achievement. (Pool photo)