| Organization: | ATP |
| Level: | Challenger |
| Location: | Prague |
| Country: | Czechia |
| Round: | qualifying 2 |
| Date: | 17 August, 2026 |
| Time: | 10.55 pm (play suspended from 12.35 to 1.50 am due to rain, with the score at 5-7, 4-3, and again from 2 to 2.05 am, with the score at 5-7, 5-4, 30-0) |
| Match Report: | [8] Matt Donald* (CZE) v [6] Nerman Fatić (BIH) |
