| TT Star Series | 2023/09/09 10:15 | Tomas Tregler v Nazar Tretiak | L | 3-1 |
| TT Star Series | 2023/09/09 08:45 | Boguslaw Koszyk v Nazar Tretiak | L | 3-0 |
| TT Star Series | 2023/09/09 07:10 | Nazar Tretiak v Michal Obeslo | L | 2-3 |
| TT Star Series | 2023/09/08 13:15 | Nazar Tretiak v Petr David | L | 1-3 |
| TT Star Series | 2023/09/08 11:45 | David Reitspies v Nazar Tretiak | L | 3-0 |
| TT Star Series | 2023/09/08 09:45 | Hampus Soderlund v Nazar Tretiak | L | 3-0 |
| TT Star Series | 2023/09/08 07:10 | Pavol Mego v Nazar Tretiak | L | 3-2 |
| WTT Feeder Panagyurishte | 2023/08/31 16:25 | Gyeongtae Park v Nazar Tretiak | L | 3-0 |
| TT Star Series | 2023/09/19 10:15 | Thomas Keinath v Francisco Sanchi | W | 3-1 |
| TT Star Series | 2023/09/19 08:15 | Thomas Keinath v Martin Andersen | W | 2-0 |
| TT Star Series | 2023/09/19 06:00 | Thomas Keinath v Daniel Kosiba | L | 2-3 |
| TT Star Series | 2023/09/18 12:15 | Thomas Keinath v Andrew Baggaley | L | 2-3 |
| TT Star Series | 2023/09/18 10:45 | Thomas Keinath v Jiri Vrablik | L | 1-3 |
| TT Star Series | 2023/09/18 08:15 | Juan Perez v Thomas Keinath | L | 3-0 |
| TT Star Series | 2023/09/18 06:35 | Thomas Keinath v Dmitrij Prokopcov | L | 0-3 |
| WTT Contender Rio Quals | 2023/08/07 18:30 | Thomas Keinath v Sathiyan Gnanasekaran | L | 0-3 |