In der 4. Runde war der Sieg von David Seregelyes gegen David Mesina eine Sensation.
| Paarungsliste der 4. Runde | |||||||||||
| 1 | 8. | Denner,Tom | (3) | – | 3. | Ebster Perez,Miguel | (2½) | 0 – 1 | |||
| 2 | 7. | Seregelyes, David | (2) | – | 1. | Mesina,David | (2) | 1 – 0 | |||
| 3 | 10. | Narwekar,Sonia | (2) | – | 4. | Brehm,Sabrina | (1) | 1 – 0 | |||
| 4 | 2. | Sattler,Robin Lee | (1½) | – | 18. | Reinhardt,Tim | (2) | 1 – 0 | |||
| 5 | 13. | Scheurer,Raphael | (1) | – | 6. | Hirth,Julian | (1) | 0 – 1 | |||
| 6 | 17. | Zeilinger,Erik | (1) | – | 9. | Mesina, Andrej | (½) | 1 – 0 | |||
| 7 | 5. | Denner,Freia | (0) | – | 14. | Scheurer,Esther | (0) | 1 – 0 | |||