Hungary: M15 Nyiregyhaza 2 - Doubles - Main |
| Semi-finals | Pokorny L./Velcz Z. | Boros A./Kisantal B. | 0:2 (1:6, 5:7) | dettagli | 21.06.2024 |
| Quarter-finals | Pokorny L./Velcz Z. | Halmos K./Kisantal D. | 2:0 (6:4, 6:4) | dettagli | 20.06.2024 |
| 1/8-finals | Dumitru A. C./Tomescu D. A. | Pokorny L./Velcz Z. | 0:2 (4:6, 3:6) | dettagli | 18.06.2024 |
Hungary: M15 Gyula - Doubles - Main |
| Quarter-finals | Boros A./Kisantal B. | Fajta P./Velcz Z. | 2:1 (6:3, 3:6, 10:6) | dettagli | 30.05.2024 |
| 1/8-finals | Bartakovics M./Meszaros P. | Fajta P./Velcz Z. | 0:2 (2:6, 4:6) | dettagli | 28.05.2024 |
USA: M25 Austin, TX - Doubles - Main |
| Quarter-finals | Vale D./Velcz Z. | Harper P./Wallner M. | 2:0 (7:5, 7:5) | dettagli | 11.11.2023 |
| Semi-finals | Tien L./Winter E. | Vale D./Velcz Z. | 2:1 (6:4, 4:6, 10:5) | dettagli | 10.11.2023 |
| 1/8-finals | Bailly P. Y./Woldeab S. | Vale D./Velcz Z. | 1:2 (2:6, 6:4, 8:10) | dettagli | 09.11.2023 |
Hungary: M15 Nyiregyhaza - Doubles - Main |
| Quarter-finals | Schnaitter J./Wehnelt K. | Bancila A./Velcz Z. | 2:0 (6:2, 6:2) | dettagli | 08.06.2023 |
| 1/8-finals | Cuceu A./Dumitru A. C. | Bancila A./Velcz Z. | 0:2 (1:6, 3:6) | dettagli | 07.06.2023 |
USA: Waco - Doubles - Main |
| 1/8-finals | Breysach M./Velcz Z. | Hazawa S./Shimizu Y. | 0:2 (2:6, 4:6) | dettagli | 01.03.2023 |
USA: M25 Austin, TX - Doubles - Main |
| Semi-finals | Henning P./Stewart T. | Paroulek T./Velcz Z. | 2:0 (6:3, 6:1) | dettagli | 12.11.2022 |
| Quarter-finals | Paroulek T./Velcz Z. | Hilderbrand T./Schachter N. | 2:1 (6:4, 4:6, 10:8) | dettagli | 10.11.2022 |
USA: M15 Fayetteville, AR 2 - Doubles - Main |
| Semi-finals | Goldhoff G./Zink T. | Breysach M./Velcz Z. | 2:1 (4:6, 6:2, 10:2) | dettagli | 04.11.2022 |
| Quarter-finals | Breysach M./Velcz Z. | Ribero F./Wallin O. | 2:1 (7:5, 2:6, 10:7) | dettagli | 03.11.2022 |
| 1/8-finals | Breysach M./Velcz Z. | Manuel M./Sweeney J. | 2:0 (7:63, 7:67) | dettagli | 01.11.2022 |
Slovenia: M15 Celje - Doubles - Main |
| Semi-finals | Kielan S./Wojcik Y. | Artnak B./Velcz Z. | 2:0 (6:4, 6:3) | dettagli | 26.08.2022 |
| Quarter-finals | Biljesko D./Kalender A. | Artnak B./Velcz Z. | 1:2 (4:6, 6:3, 2:10) | dettagli | 25.08.2022 |
| 1/8-finals | Cuceu A./Sikharulidze S. | Artnak B./Velcz Z. | 0:2 (3:6, 0:6) | dettagli | 24.08.2022 |
Turkey: M15 Antalya - Doubles - Main |
| 1/8-finals | Rajski M./Velcz Z. | Bertuccioli F./Picchione A. | CAN. | dettagli | 13.01.2022 |
Tunisia: M15 Monastir 47 - Doubles - Main |
| 1/8-finals | Jones R./Simpson M. | Fajta P./Velcz Z. | 2:1 (1:6, 6:3, 10:4) | dettagli | 07.12.2021 |