| 4‑Sep‑2023 | Tulln CH | Clay | Q1 | 532 | 616 | (Alt)Gerald Melzer [AUT] d. (10)Compagnucci | 7-6(4) 3-6 6-3 | | 0.96 | 6.7% | 2.9% | 59.6% | 66.1% | 54.8% | 8/11 | 2:40 |
| 7‑Aug‑2023 | Meerbusch CH | Clay | Q1 | 533 | 1121 | (WC)John Sperle [GER] d. (7)Compagnucci | 6-2 4-6 6-4 | | 0.92 | 7.1% | 4.8% | 59.5% | 72.0% | 38.2% | 4/9 | 2:07 |
| 31‑Jul‑2023 | Luedenscheid CH | Clay | R32 | 555 | 295 | Oriol Roca Batalla [ESP] d. (Q)Compagnucci | 6-3 6-4 | | 0.74 | 7.7% | 5.8% | 51.9% | 81.5% | 40.0% | 1/3 | 1:25 |
| 31‑Jul‑2023 | Luedenscheid CH | Clay | Q2 | 555 | 399 | (11)Compagnucci d. (3)Vladyslav Orlov [UKR] | 7-5 6-7(6) 6-4 | | 1.07 | 4.1% | 3.3% | 54.5% | 68.2% | 58.2% | 7/11 | 3:23 |
| 31‑Jul‑2023 | Luedenscheid CH | Clay | Q1 | 555 | 876 | (11)Compagnucci d. (WC)Philip Florig [GER] | 7-5 6-4 | | 1.27 | 1.8% | 12.3% | 59.6% | 70.6% | 43.5% | 2/6 | 1:32 |
| 24‑Jul‑2023 | Zug CH | Clay | Q1 | 555 | 382 | (12)Damien Wenger [SUI] d. Compagnucci | 6-3 6-4 | | 0.82 | 0.0% | 8.3% | 54.2% | 69.2% | 40.9% | 2/6 | 1:21 |
| 20‑Mar‑2023 | Zadar CH | Clay | Q1 | 682 | 361 | (8)Gerald Melzer [AUT] d. Compagnucci | 6-1 6-1 | | 0.49 | 4.5% | 1.5% | 63.6% | 57.1% | 29.2% | 12/17 | 1:21 |