Martin Klizan defeated Joao Sousa 6-2 7-5 6-7 6-1 in the Davis Cup G1 PO: SVK vs POR round robin on hard. The upset overturned the form book — Joao Sousa came in leading the head-to-head 3–0. Martin Klizan claimed a first win over Joao Sousa in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-10-03 | Tokyo | R32 | hard | Joao Sousa | 4-6 6-3 6-3 |
| 2015-01-19 | Australian Open | R64 | hard | Joao Sousa | 4-6 7-6(4) 6-4 1-0 RET |
| 2011-03-04 | Davis Cup G1 R1: POR vs SVK | RR | clay | Joao Sousa | 6-2 4-1 RET |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.