2015 GAC Group World Tour, Belgium Open | ITTF rankings: Sambe Kohei 2049, Oikawa Mizuki 1979 |
2015 GAC Group World Tour, Austrian Open | ITTF rankings: Sambe Kohei 2049, Oikawa Mizuki 1979 |
2015 GAC Group World Tour, Japan Open | ITTF rankings: Sambe Kohei 2022, Oikawa Mizuki 1911 |
2015 GAC Group World Tour, Belarus Open | ITTF rankings: Sambe Kohei 2053, Oikawa Mizuki 1799 |