Mashiska Washington defeated Fredrik Giers 6-1 6-4 in the USA F24 round of 32 on hard. Mashiska Washington extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-12-06 | USA F22 | QF | hard | Fredrik Giers | 3-6 6-4 6-4 |
| 1999-11-15 | USA F19 | R32 | hard | Mashiska Washington | 6-1 3-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.