Félix Mantilla Botella Singles: 21 (10 titles, 11 runner-ups) Singles: 21 (10 titles, 11 runner-ups)

| Outcome | Date_ | Tournament | Surface | Opponent | Score |
|---|---|---|---|---|---|
| Winner | 7 July 1997 | Gstaad | Clay | Juan Albert Viloca | 6–1, 6–4, 6–4 |
| Winner | 21 July 1997 | Umag | Clay | Sergi Bruguera | 6–3, 7–5 |
| Winner | 4 August 1997 | San Marino | Clay | Magnus Gustafsson | 6–4, 6–1 |
| Winner | 8 September 1997 | Bournemouth | Clay | Carlos Moyà | 6–2, 6–2 |
| Runner-up | 15 February 1998 | Dubai | Hard | Àlex Corretja | 6–7 (0–7) , 1–6 |
| Runner-up | 30 August 1998 | Long Island | Hard | Patrick Rafter | 6–7 (3–7) , 2–6 |
| Winner | 14 September 1998 | Bournemouth | Clay | Albert Costa | 6–3, 7–5 |
| Winner | 12 April 1999 | Barcelona | Clay | Karim Alami | 7–6 (7–2) , 6–3, 6–3 |
| Runner-up | 15 April 2001 | Estoril | Clay | Juan Carlos Ferrero | 6–7 (3–7) , 6–4, 3–6 |