| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2009 | 4/6 | 1/2 | 3/4 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2008 | 2/3 | 0/0 | 1/2 | 1/1 | 0/0 | 0/0 | 0/0 |
| 2007 | 0/2 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2006 | 1/4 | 0/1 | 1/3 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2005 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 7/16 | 1/6 | 5/9 | 1/1 | 0/0 | 0/0 | 0/0 |
| perc. % | 30.43 % | 14.29 % | 35.71 % | 50 % | 0 % | 0 % | 0 % |
Dariel Leon / scheduled / last
| no matches found |
Dariel Leon form
Dariel Leon / last 50 matches
| 26.10.09 | q 1 | Lars Poerschke | Dariel Leon | 6-4, 6-1 |  | match details |  Sao Paulo | Clay |
| 28.09.09 | 1st round | Dariel Leon | Thales Levy | 6-1, 6-3 |  | match details | Brazil F21 | Clay |
| 28.09.09 | 2nd round | Andre Miele | Dariel Leon | 6-1, 6-0 | | match details | ||
| 10.08.09 | 1st round | Joaquin-Jesus Monteferrario | Dariel Leon | 7-5, 6-2 | | match details | Brazil F14 | Hard |
| 03.08.09 | q 2 | Fabrice Martin | Dariel Leon | 6-3, 6-2 | | match details | Campos do | Hard |
| 03.08.09 | q 1 | Dariel Leon | Felipe Rosa | 6-3, 6-0 | | match details | ||
| 25.05.09 | 1st round | David Savic | Dariel Leon | 6-2, 6-2 | | match details | Brazil F4 | Clay |
| 04.05.09 | 1st round | Dariel Leon | Luiz-Guilherme Deneka | 6-2, 6-2 | | match details | Brazil F1 | Clay |
| 04.05.09 | 2nd round | Dariel Leon | Nicolas Santos | 6-4, 4-6, 7-64 | | match details | ||
| 04.05.09 | 1/4 | Eric Gomes | Dariel Leon | 6-1, 5-7, 6-2 | | match details | ||
| 22.12.08 | 2nd round | Alexandre Bonatto | Dariel Leon | 6-4, 6-1 | | match details | Brazil F34 | I. hard |
| 22.12.08 | 1st round | Dariel Leon | Rafael Garcia | 7-63, 6-2 | | match details | ||
| 15.12.08 | 1st round | Vitor Requiao | Dariel Leon | 6-1, 7-66 | | match details | Brazil F33 | Clay |
| 10.11.08 | 1st round | Dariel Leon | Eric Gomes | 6-3, 6-4 | | match details | Brazil F28 | Clay |
| 10.11.08 | 2nd round | Philippe Frayssinoux | Dariel Leon | 7-5, 6-0 | | match details | ||
| 06.08.07 | q 1 | Caio Burjaili | Dariel Leon | 6-3, 7-65 | | match details | Campos do | Hard |
| 01.01.07 | q 1 | Vasilis Mazarakis | Dariel Leon | 6-3, 6-2 | | match details | Sao Paulo | Hard |
| 04.12.06 | 1st round | Dariel Leon | Rahim Esmail | 6-4, 6-0 | | match details | Brazil F22 | Clay |
| 04.12.06 | 2nd round | Andre Miele | Dariel Leon | 6-4, 6-1 | | match details | ||
| 21.08.06 | 1st round | Thomaz Bellucci | Dariel Leon | 6-2, 6-0 | | match details | Brazil F8 | Hard |
| 14.08.06 | 1st round | Frederico Casaro | Dariel Leon | 6-3, 6-3 | | match details | Brazil F7 | Clay |
| 10.04.06 | q 1 | Diogo Mattos | Dariel Leon | 6-4, 6-3 | | match details | Florianopolis | Clay |
| 03.01.05 | q 1 | Ricardo Hocevar | Dariel Leon | 6-2, 6-1 | | match details | Sao Paulo | Hard |
