| 10‑Mar‑2025 | M15 Sharm ElSheikh | Hard | R32 | 653 | 1636 | Oskari Paldanius [FIN] d. Lumsden | 6-4 6-2 | | 0.57 | 2.0% | 5.9% | 64.7% | 63.6% | 44.4% | 2/5 | 1:20 |
| 17‑Feb‑2025 | Glasgow CH | Hard | Q1 | 651 | 325 | (1)Christoph Negritu [GER] d. Lumsden | 5-7 6-2 6-2 | | 0.76 | 1.7% | 5.8% | 60.8% | 52.1% | 48.9% | 14/20 | 2:25 |
| 10‑Feb‑2025 | M15 Bucharest | Hard | R16 | 655 | 514 | Andrea Guerrieri [ITA] d. Lumsden | 6-4 6-3 | | 0.58 | 5.2% | 1.3% | 72.7% | 60.7% | 38.1% | 10/13 | 1:38 |
| 10‑Feb‑2025 | M15 Bucharest | Hard | R32 | 655 | | Lumsden d. Robert Guna [ROU] | 7-6(5) 2-6 6-3 | | 0.90 | 5.2% | 7.2% | 62.9% | 65.6% | 36.1% | 5/10 | 2:26 |
| 27‑Jan‑2025 | M25 Glasgow | Hard | R32 | 652 | 449 | Alastair Gray [GBR] d. Lumsden | 6-1 6-1 | | 0.47 | 0.0% | 5.6% | 70.4% | 50.0% | 18.8% | 5/10 | 1:09 |
| 6‑Jan‑2025 | Nottingham CH | Hard | Q1 | 657 | 554 | (12)Alexis Gautier [FRA] d. Lumsden | 6-4 3-6 6-4 | | 1.17 | 7.8% | 2.2% | 72.2% | 70.8% | 56.0% | 5/8 | 2:00 |