USA: M25 Southaven, MS - Doubles - Main |
| Quarter-finals | Stice T./Zapp L. | Seggerman R./Trhac P. | 0:2 (4:6, 4:6) | details | 10.08.2023 |
| 1/8-finals | Stice T./Zapp L. | Kotzen A./Ravichander I. | 2:0 (6:2, 6:4) | details | 09.08.2023 |
USA: M15 Lakewood, CA 2 - Doubles - Main |
| Quarter-finals | Zamora N./Zapp L. | Ilagan A./Sarr J. | 0:2 (2:6, 5:7) | details | 14.07.2023 |
| 1/8-finals | Battistone B./Vance J. | Zamora N./Zapp L. | 1:2 (6:4, 69:7, 7:10) | details | 11.07.2023 |
USA: M15 Lakewood, CA - Doubles - Main |
| Quarter-finals | Ilagan A./Zapp L. | Papa C./van Loben Sels E. | 0:2 (5:7, 4:6) | details | 06.07.2023 |
| 1/8-finals | Ilagan A./Zapp L. | Brady K./Brunkow G. | 2:1 (3:6, 6:2, 10:7) | details | 04.07.2023 |
USA: M25 Decatur, IL - Doubles - Main |
| 1/8-finals | Ward E./Zapp L. | Ichikawa T./Watanabe S. | 1:2 (4:6, 6:4, 9:11) | details | 05.08.2022 |
USA: M15 Pittsburgh, PA - Doubles - Main |
| Quarter-finals | Mostardi N./Phillips L. | Kiger M./Zapp L. | 2:1 (7:64, 4:6, 10:8) | details | 14.07.2022 |
| 1/8-finals | Kiger M./Zapp L. | Howard-Tripp J./Hudd E. | 2:0 (6:1, 6:0) | details | 12.07.2022 |