Grzegorz Panfil defeated Marcin Gawron 6-3 7-5 in the Poland F5 round of 16 on clay. The upset overturned the form book — Marcin Gawron came in leading the head-to-head 5–4. Grzegorz Panfil narrowed the head-to-head to 5–5.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-06-09 | Poland F2 | R32 | clay | Marcin Gawron | 6-4 6-2 |
| 2014-06-02 | Poland F1 | F | clay | Grzegorz Panfil | 7-5 6-2 |
| 2013-10-14 | Turkey F41 | QF | hard | Marcin Gawron | 6-7(5) 7-5 6-2 |
| 2013-05-06 | Sweden F2 | QF | clay | Grzegorz Panfil | 6-2 7-6(6) |
| 2011-08-29 | Poland F8 | QF | clay | Marcin Gawron | 6-4 3-6 6-1 |
| 2011-08-08 | Poland F5 | QF | clay | Marcin Gawron | 7-5 2-6 7-5 |
| 2011-01-24 | Turkey F3 | QF | hard | Marcin Gawron | 7-6(2) 7-6(5) |
| 2010-08-30 | Poland F7 | SF | clay | Grzegorz Panfil | 6-3 6-3 |
| 2008-05-12 | Poland F1 | R32 | clay | Grzegorz Panfil | 6-2 2-6 6-3 |
Averages over each player's completed matches in the selected window (39 vs 27). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About