Serbia: M15 Kursumlijska Banja 13 - Doubles - Main |
| 1/8-finals | Saritas G./Turker M. N. | Kountourakis I./Schifris J. | 2:1 (7:65, 3:6, 10:7) | dettagli | 31.07.2024 |
Hungary: M15 Nyiregyhaza - Doubles - Main |
| 1/8-finals | Boros A./Kisantal B. | Beloborodko I./Schifris J. | 2:0 (6:3, 6:4) | dettagli | 13.06.2024 |
Slovenia: M15 Hrastnik - Doubles - Main |
| Semi-finals | Basic N./Kupcic J. | Schifris J./Yunis F. | 2:0 (6:2, 6:4) | dettagli | 07.06.2024 |
| Quarter-finals | Schifris J./Yunis F. | Reitano S./Rossi L. | 2:0 (6:0, 6:4) | dettagli | 06.06.2024 |
| 1/8-finals | Mikovic M./Suboch D. | Schifris J./Yunis F. | 0:2 (64:7, 5:7) | dettagli | 05.06.2024 |
USA: M15 East Lansing, MI - Doubles - Main |
| 1/8-finals | Harper M./Harper P. | Schifris J./Yunis F. | 2:0 (6:3, 6:4) | dettagli | 14.11.2023 |
Germany: M15 Uslar - Doubles - Main |
| Quarter-finals | Hallquist Lithen J./Schifris J. | Beloborodko I./Nicod J. | 1:2 (4:6, 7:5, 5:10) | dettagli | 20.07.2023 |
| 1/8-finals | Hallquist Lithen J./Schifris J. | Damian M. D./Marinescu A. | 2:0 (6:4, 6:2) | dettagli | 18.07.2023 |
Slovenia: M15 Celje - Doubles - Main |
| 1/8-finals | Dimitrijevic J./Emersic Potocnik G. | Emesz B./Schifris J. | 2:0 (6:2, 7:65) | dettagli | 29.06.2023 |
USA: M25 Columbus, OH - Doubles - Main |
| 1/8-finals | Maclean T./Schifris J. | Cash R./Tracy J. | 0:2 (0:6, 3:6) | dettagli | 16.11.2021 |
Germany: M15 Oberhaching - Doubles - Main |
| Quarter-finals | Rehberg M. H./Schifris J. | Muscheites L./Seifert S. | 0:2 (2:6, 0:6) | dettagli | 20.02.2020 |
| 1/8-finals | Rehberg M. H./Schifris J. | Boehler D./Stodder T. | 2:0 (6:2, 6:4) | dettagli | 19.02.2020 |
Germany: Eckental - Doubles - Main |
| 1/8-finals | Arends S./Jebavy R. | Hofmann T./Schifris J. | 2:0 (7:5, 6:3) | dettagli | 29.10.2019 |