In Photos: 10-year-old Sumire Nakamura becomes youngest ever pro Go match winner

Sumire Nakamura, a first-dan ranked professional Go player, reflects on her win in a match against fourth-dan ranked Chieko Tanaka, right, at the Kansai Office of the Nihon Ki-in in Osaka's Kita Ward on July 8, 2019. (Mainichi/Rei Kubo)

Sumire Nakamura reflects on her winning match against Chieko Tanaka at the Kansai Office of the Nihon Ki-in in Osaka's Kita Ward on July 8, 2019. (Mainichi/Rei Kubo)

Sumire Nakamura is seen before a Go game board at the Kansai Office of the Nihon Ki-in in Osaka's Kita Ward on July 8, 2019. (Mainichi/Rei Kubo)

Sumire Nakamura smiles during a press conference following her first official match victory since her debut as a professional Go player in April, in Osaka's Kita Ward on July 8, 2019. (Mainichi/Rei Kubo)

Sumire Nakamura is seen during a press conference following her first official match victory, in Osaka's Kita Ward on July 8, 2019. (Mainichi/Rei Kubo)

Sumire Nakamura, right, smiles at a press conference after clinching her first official match victory, in Osaka's Kita Ward on July 8, 2019. At left is her opponent, fourth-dan ranked player Chieko Tanaka, and in the center is ninth-dan ranked Kunio Ishii, who acted as an observer of the game. (Mainichi/Rei Kubo)