Paul Henri Mathieu defeated Igor Andreev 6-3 7-6 in the Gstaad round of 32 on clay. The upset overturned the form book — Igor Andreev came in defending last year's round of 16. Paul Henri Mathieu extended the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-08-27 | US Open | R128 | hard | Paul Henri Mathieu | 2-6 4-6 7-6(1) 7-6(4) 6-1 |
| 2008-10-26 | Paris Masters | R64 | hard | Igor Andreev | 7-6(6) 6-3 |
| 2007-05-28 | Roland Garros | R32 | clay | Igor Andreev | 7-6(4) 6-0 6-3 |
| 2005-10-03 | Metz | R32 | hard | Paul Henri Mathieu | 7-6(5) 6-4 |
| 2005-07-15 | Davis Cup WG QF: RUS vs FRA | RR | clay | Igor Andreev | 6-0 6-2 6-1 |
| 2003-09-29 | Moscow | QF | hard | Paul Henri Mathieu | 2-6 6-3 7-5 |
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 28). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About