Karlis Lejnieks defeated Fritz Wolmarans 6-4 0-6 6-4 in the USA F12 qualifying round on clay. The upset overturned the form book — Fritz Wolmarans came in leading the head-to-head 1–0. Karlis Lejnieks claimed a first win over Fritz Wolmarans in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-07-21 | Davis Cup G2 PO: LAT vs RSA | RR | clay | Fritz Wolmarans | 6-0 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.