Jan Hájek (tennis) Singles titles Singles titles

| Date_ | Tournament | Surface | Opponent | Score |
|---|---|---|---|---|
| 5 June 2006 | Prostějov | Clay | Dominik Hrbatý | 6–3, 5–7, 6–2 |
| 19 June 2006 | Braunschweig | Clay | Fernando Vicente | 6–1, 6–3 |
| 10 July 2006 | Poznań | Clay | Ilija Bozoljac | 6–4, 6–3 |
| 29 September 2008 | Porto | Clay | Dušan Lojda | 6–0, 7–6 (7–2) |
| 27 April 2009 | Ostrava | Clay | Ivan Dodig | 7–5, 6–1 |
| 1 June 2009 | Prostějov | Clay | Steve Darcis | 6–2, 1–6, 6–4 |
| 31 October 2009 | Freudenstadt | Clay | Laurent Recouderc | 2–6, 6–3, 7–6 (7–5) |
| 31 May 2010 | Prostějov | Clay | Radek Štěpánek | 6–0 RET |
| 1 July 2012 | Marburg | Clay | Andreas Haider-Maurer | 6–2, 6–2 |