| Organization: | ATP |
| Level: | Challenger |
| Location: | Porto Alegre |
| Country: | Brazil |
| Round: | qualifying 1 |
| Date: | 28 April, 2025 |
| Time: | 7 am (match suspended after 55 minutes due to rain and bad light with the score at 6-4, 1-0; resumed at 1.10 am on 29th April) |
| Match Report: | [ALT] Alex Klintcharov (NZL) v [9] Juan Estevez (ARG) |
