# 2015 Campeonato Internacional de Tenis de Santos – Singles

Máximo González was the defending champion, but he lost in the second round.
Blaž Rola won the title, defeating Germain Gigounon in the final, 6–3, 3–6, 6–3.

## Seeds

* Máximo González (second round)
* Blaž Rola (champion)
* André Ghem (quarterfinals)
* Guido Pella (semifinals)
* Chase Buchanan (first round)
* Guilherme Clezar (first round, retired)
* Nicolás Jarry (first round)
* Guido Andreozzi (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 |
| WC | Orlando Luz | 3 | 3 | | | | | | |
| | Germain Gigounon | 6 | 6 | | | | | | |
| | Germain Gigounon | 6 | 6 | | | Germain Gigounon | 3 | 6 | 3 |
| | | | | | 2 | Blaž Rola | 6 | 3 | 6 |
| 4 | Guido Pella | 3 | 6 | 1 | 2 | Blaž Rola | 6 | 3 | 6 |
| 2 | Blaž Rola | 6 | 3 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | M González | 6 | 7$^8$ | | | | | | | | | | | | | | | |
| WC | R Dutra Silva | 3 | 6$^6$ | | 1 | M González | 7$^8$ | 3 | 1 | | | | | | | | | |
| Q | A Velotti | 6 | 6$^4$ | 6 | Q | A Velotti | 6$^6$ | 6 | 6 | | | | | | | | | |
| | C Lindell | 4 | 7$^7$ | 4 | | | | | | Q | A Velottti | 0$^r$ | | | | | | |
| WC | M Zormann | 6 | 6 | | | | | | | WC | O Luz | 5 | | | | | | |
| | F de Paula | 2 | 4 | | WC | M Zormann | 4 | 2 | | | | | | | | | | |
| WC | O Luz | 6 | 4 | 6 | WC | O Luz | 6 | 6 | | | | | | | | | | |
| 8 | G Andreozzi | 3 | 6 | 3 | | | | | | | | | | | WC | O Luz | 3 | 3 |
| 3 | A Ghem | 6 | 6 | | | | | | | | | | | | | G Gigounon | 6 | 6 |
| | G Mina | 4 | 2 | | 3 | A Ghem | 5 | 6 | 6 | | | | | | | | | |
| Q | R Hocevar | 7 | 7$^7$ | | Q | R Hocevar | 7 | 2 | 2 | | | | | | | | | |
| | H Dellien | 5 | 6$^5$ | | | | | | | 3 | A Ghem | 6 | 6$^4$ | 2 | | | | |
| | G Gigounon | 6 | 6 | | | | | | | | G Gigounon | 4 | 7$^7$ | 6 | | | | |
| | C Garín | 2 | 3 | | | G Gigounon | 3 | 6 | 6 | | | | | | | | | |
| Q | J Pereira | 6 | 6 | | Q | J Pereira | 6 | 4 | 1 | | | | | | | | | |
| 5 | C Buchanan | 2 | 4 | | | | | | | | | | | | | | | |

### 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 |
| 6 | N Jarry | 7 | 2 | 4 | | | | | | | | | | | | | | | |
| | J Hernández | 5 | 6 | 6 | | J Hernández | 5 | 4 | | | | | | | | | | | |
| | A Molteni | 6 | 6 | | | A Molteni | 7 | 6 | | | | | | | | | | | |
| | JC Sáez | 0 | 2 | | | | | | | | A Molteni | 6 | 4 | 4 | | | | | |
| | A Michon | 6 | 6$^7$ | 7$^7$ | | | | | | 4 | G Pella | 3 | 6 | 6 | | | | | |
| | J Cagnina | 6$^4$ | 7$^9$ | 6$^5$ | | A Michon | 6 | 1 | 6$^3$ | | | | | | | | | | |
| | G Lama | 0 | 3 | | 4 | G Pella | 4 | 6 | 7$^7$ | | | | | | | | | | |
| 4 | G Pella | 6 | 6 | | | | | | | | | | | | 4 | G Pella | 3 | 6 | 1 |
| 6 | G Clezar | 7$^7$ | 6$^3$ | $^r$ | | | | | | | | | | | 2 | B Rola | 6 | 3 | 6 |
| Q | P Sakamoto | 6$^1$ | 7$^7$ | | Q | P Sakamoto | 6 | 6 | | | | | | | | | | | |
| | N Kicker | 6 | 6 | | | N Kicker | 3 | 3 | | | | | | | | | | | |
| | Jules Marie | 1 | 3 | | | | | | | Q | P Sakamoto | 0 | 3 | | | | | | |
| WC | T Monteiro | 5 | 3 | | | | | | | 2 | B Rola | 6 | 6 | | | | | | |
| | A Musialek | 7 | 6 | | | A Musialek | 3 | 2 | | | | | | | | | | | |
| LL | F Coria | 3 | 2 | | 2 | B Rola | 6 | 6 | | | | | | | | | | | |
| 2 | B Rola | 6 | 6 | | | | | | | | | | | | | | | | |