Javier Genaro Martinez defeated Jose Checa Calvo 6-4 6-2 in the Spain 2 2 qualifying round on clay. The upset overturned the form book — Jose Checa Calvo came in leading the head-to-head 5–2, but Javier Genaro Martinez had been the form player, winning 7 of their last 9 on clay. Javier Genaro Martinez narrowed the head-to-head to 5–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-10-20 | Spain F40 | QF | clay | Jose Checa Calvo | 6-4 6-3 |
| 2008-10-13 | Spain F39 | SF | clay | Jose Checa Calvo | 6-3 7-5 |
| 2008-05-26 | Spain F21 | R32 | clay | Jose Checa Calvo | 7-5 6-3 |
| 2008-04-28 | Spain F17 | QF | clay | Jose Checa Calvo | 3-6 6-3 6-3 |
| 2006-02-27 | Spain 1 4 | R32 | clay | Jose Checa Calvo | 6-4 7-6(5) |
| 2005-02-28 | Spain 2 1 | QF | clay | Javier Genaro Martinez | 7-5 6-4 |
| 2003-10-13 | Spain 4 1 | R16 | clay | Javier Genaro Martinez | 6-7(4) 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.