Demi Koumoulis
Home Club
Port Washington/JMTA Long Island
| Division | Date | Tournament / Location | Result |
|---|---|---|---|
| Girls' 10 | 06/14/2026 | Junior Circuit Green / SPORTIME Hempstead Lake, West Hempstead, NY | Singles Group Champion | USTA |
| Girls' 10 | 06/14/2026 | Junior Circuit Green / SPORTIME Hempstead Lake, West Hempstead, NY | Singles Group Champion | USTA |
| Girls' 10 | 11/16/2025 | Junior Circuit Green / Robbie Wagner Tournament Training, Glen Cove, NY | Singles Finalist | USTA |