Martin Klizan defeated Andreas Seppi 6-3 7-6 in the Rotterdam qualifying round 2 on hard. The upset overturned the form book — Andreas Seppi came in leading the head-to-head 4–2. Martin Klizan narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-01-07 | Sydney | R16 | hard | Andreas Seppi | 7-6(2) 6-2 |
| 2018-10-15 | Moscow | R32 | hard | Andreas Seppi | 6-1 7-6(6) |
| 2018-02-12 | Rotterdam | Q2 | hard | Martin Klizan | 6-3 7-6(2) |
| 2016-02-01 | Sofia | QF | hard | Martin Klizan | 6-4 6-3 |
| 2015-07-27 | Hamburg | R32 | clay | Andreas Seppi | 6-2 6-4 |
| 2012-10-29 | Paris Masters | R64 | hard | Andreas Seppi | 6-2 2-6 7-6(5) |
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.