2017 World Tour, Austrian Open | ITTF rankings: Serdaroglu David 1452, Pfeffer Simon 1598 |
2016 World Tour, Czech Open | ITTF rankings: Serdaroglu David 1452, Pfeffer Simon 1557 |
2015 GAC Group World Tour, Polish Open | ITTF rankings: Serdaroglu David 1342, Pfeffer Simon 1417 |
2015 GAC Group World Tour, Austrian Open | ITTF rankings: Serdaroglu David 1299, Pfeffer Simon 1353 |
2012 Slovak Junior Open | ITTF rankings: Serdaroglu David 916, Pfeffer Simon 1139 |