Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/01/09 08:50 | Kestutis Zeimys v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/07/10 17:10 | Dennis Klein v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2023/07/10 14:30 | Damian Zech v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/07/10 11:50 | Johannes Willeke v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/07/10 09:50 | Dennis Klein v Benjamin Fruchart | W | 3-2 |
| Challenger Series TT | 2023/07/10 07:50 | Dennis Klein v Akos Kishegyi | W | 3-0 |
| Challenger Series TT | 2023/07/07 13:30 | Dennis Klein v David Reitspies | W | 3-2 |
| Challenger Series TT | 2023/07/07 11:25 | Dennis Klein v Liang Qiu | W | 3-1 |
| Challenger Series TT | 2023/07/07 09:10 | Dennis Klein v Mathias Golab | W | 3-1 |
| Challenger Series TT | 2023/07/10 17:50 | Johannes Willeke v Kestutis Zeimys | W | 2-3 |
| Challenger Series TT | 2023/07/10 15:50 | Kestutis Zeimys v Benjamin Fruchart | W | 3-2 |
| Challenger Series TT | 2023/07/10 13:10 | Kestutis Zeimys v Akos Kishegyi | L | 2-3 |
| Challenger Series TT | 2023/07/10 11:10 | Kestutis Zeimys v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2023/07/10 08:30 | Armin Alicic v Kestutis Zeimys | W | 1-3 |
| ETTU Euro Championships | 2023/05/06 16:05 | Kestutis Zeimys v Alberto Lillo | L | 0-3 |
| European Team Championships | 2023/05/05 07:30 | Kestutis Zeimys v Milosz Redzimski | L | 2-3 |
| Challenger Series TT | 2023/01/24 12:30 | Kestutis Zeimys v Enio Mendes | L | 2-3 |