# 2010 Calabasas Pro Tennis Championships – Singles

Donald Young was the defending champion; however, he was eliminated by Marinko Matosevic in the semifinals. Matosevic won in the final match 2–6, 6–4, 6–3, against Ryan Sweeting.

## Seeds

* Donald Young (semifinals)
* Ryan Sweeting (final)
* Robert Kendrick (semifinals)
* Carsten Ball (first round)
* Izak van der Merwe (first round)
* Marinko Matosevic (champion)
* Kevin Kim (first round)
* John Millman (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Donald Young | 3 | 0 | | | | | | |
| 6 | Marinko Matosevic | 6 | 6 | | | | | | |
| 6 | Marinko Matosevic | 6 | 6 | | 6 | Marinko Matosevic | 2 | 6 | 6 |
| | | | | | 2 | Ryan Sweeting | 6 | 4 | 3 |
| 3 | Robert Kendrick | 6 | 6$^8$ | 2 | 2 | Ryan Sweeting | 6 | 4 | 3 |
| 2 | Ryan Sweeting | 1 | 7 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | D Young | 6 | 6 | | | | | | | | | | | | | | |
| | M Yani | 1 | 1 | | 1 | D Young | 6 | 6 | | | | | | | | | |
| | R de Voest | 6$^5$ | 6 | 1 | | J Lemke | 4 | 0 | | | | | | | | | |
| | J Lemke | 7 | 0 | 6 | | | | | | 1 | D Young | 7 | 7 | | | | |
| | J Baker | 6 | 6 | | | | | | | PR | A Delić | 5 | 6$^2$ | | | | |
| WC | S Johnson | 4 | 2 | | | J Baker | 5 | 4 | | | | | | | | | |
| PR | A Delić | 6 | 6 | | PR | A Delić | 7 | 6 | | | | | | | | | |
| 7 | K Kim | 3 | 2 | | | | | | | | | | | 1 | D Young | 3 | 0 |
| 4 | C Ball | 3 | 3 | | | | | | | | | | | 6 | M Matosevic | 6 | 6 |
| | F Nielsen | 6 | 6 | | | F Nielsen | 7 | 7 | | | | | | | | | |
| | J Witten | 6 | 6 | | | J Witten | 6$^2$ | 6$^0$ | | | | | | | | | |
| | M McClune | 2 | 3 | | | | | | | | F Nielsen | 3 | 6$^4$ | | | | |
| | G Jones | 6 | 6 | | | | | | | 6 | M Matosevic | 6 | 7 | | | | |
| Q | D Kosakowski | 2 | 3 | | | G Jones | 7 | 5 | 1 | | | | | | | | |
| | R DeHeart | 6 | 3 | 2 | 6 | M Matosevic | 5 | 7 | 6 | | | | | | | | |
| 6 | M Matosevic | 4 | 6 | 6 | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | I van der Merwe | 4 | 3 | | | | | | | | | | | | | | | | |
| | R Harrison | 6 | 6 | | | R Harrison | 7 | 6 | | | | | | | | | | | |
| | B Reynolds | 6 | 6 | | | B Reynolds | 6$^6$ | 4 | | | | | | | | | | | |
| | J Levine | 3 | 4 | | | | | | | | R Harrison | 6$^9$ | 6 | 4 | | | | | |
| | D King-Turner | 6 | 3 | 1 | | | | | | 3 | R Kendrick | 7 | 4 | 6 | | | | | |
| WC | T Smyczek | 4 | 6 | 6 | WC | T Smyczek | 6 | 6$^1$ | 4 | | | | | | | | | | |
| Q | LA Pérez-Pérez | 3 | 5 | | 3 | R Kendrick | 4 | 7 | 6 | | | | | | | | | | |
| 3 | R Kendrick | 6 | 7 | | | | | | | | | | | | 3 | R Kendrick | 6 | 6$^8$ | 2 |
| 8 | J Millman | 4 | 4 | | | | | | | | | | | | 2 | R Sweeting | 1 | 7 | 6 |
| | L Cook | 6 | 6 | | | L Cook | 6 | 7 | | | | | | | | | | | |
| | A Kuznetsov | 5 | 5 | | Q | N Basilashvili | 2 | 5 | | | | | | | | | | | |
| Q | N Basilashvili | 7 | 7 | | | | | | | | L Cook | 2 | 0 | | | | | | |
| WC | G Sacks | 6 | 7 | | | | | | | 2 | R Sweeting | 6 | 6 | | | | | | |
| WC | C Mamiit | 4 | 5 | | WC | G Sacks | 4 | 2 | | | | | | | | | | | |
| Q | N Monroe | 2 | 7 | 2 | 2 | R Sweeting | 6 | 6 | | | | | | | | | | | |
| 2 | R Sweeting | 6 | 6$^6$ | 6 | | | | | | | | | | | | | | | |