# 2013 PBZ Zagreb Indoors – Singles

Mikhail Youzhny was the defending champion but lost in the semifinals to top-seeded Marin Čilić. Čilić went on to win the title by defeating Jürgen Melzer 6–3, 6–1 in the final.

## Seeds

* Marin Čilić (champion)
* Andreas Seppi (withdrew due to fever)
* Mikhail Youzhny (semifinals)
* Jürgen Melzer (final)
* Martin Kližan (second round)
* Marcos Baghdatis (second round)
* Grigor Dimitrov (first round)
* Lukáš Lacko (first round, retired due to lower back injury)

## 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 |
| 1 | Marin Čilić | 4 | 6 | 6 | | | | |
| 3 | Mikhail Youzhny | 6 | 4 | 3 | | | | |
| 3 | Mikhail Youzhny | 6 | 4 | 3 | 1 | Marin Čilić | 6 | 6 |
| | | | | | 4 | Jürgen Melzer | 3 | 1 |
| 4 | Jürgen Melzer | 7$^7$ | 6 | | 4 | Jürgen Melzer | 3 | 1 |
| | Robin Haase | 6$^2$ | 3 | | | | | |

### 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 | Semifinals |
| | | | | | 1 | M Čilić | 6 | 6 | | | | | | | | | | |
| | G Žemlja | 6$^5$ | 7$^7$ | 6 | | G Žemlja | 2 | 3 | | | | | | | | | | |
| Q | I Bozoljac | 7$^7$ | 6$^4$ | 2 | | | | | | 1 | M Čilić | 6 | 7$^7$ | | | | | |
| | B Kavčič | 6$^5$ | 6 | 6 | | | | | | | B Kavčič | 3 | 6$^5$ | | | | | |
| | A Bedene | 7$^7$ | 3 | 3 | | B Kavčič | 3 | 7$^7$ | 6 | | | | | | | | | |
| | T Kamke | 7$^8$ | 2 | 4 | 6 | M Baghdatis | 6 | 6$^2$ | 4 | | | | | | | | | |
| 6 | M Baghdatis | 6$^6$ | 6 | 6 | | | | | | | | | | 1 | M Čilić | 4 | 6 | 6 |
| | | | | | | | | | | | | | | 3 | M Youzhny | 6 | 4 | 3 |
| | | | | | 3 | M Youzhny | 6 | 6 | | | | | | | | | | |
| WC | N Mektić | 4 | 2 | | | I Sijsling | 3 | 2 | | | | | | | | | | |
| | I Sijsling | 6 | 6 | | | | | | | 3 | M Youzhny | 6 | 6 | | | | | |
| | I Dodig | 6 | 7$^7$ | | | | | | | | I Dodig | 3 | 2 | | | | | |
| | B Becker | 2 | 6$^3$ | | | I Dodig | 7$^7$ | 6$^2$ | 6 | | | | | | | | | |
| | I Karlović | 7$^7$ | 7$^7$ | | | I Karlović | 6$^1$ | 7$^7$ | 3 | | | | | | | | | |
| 7 | G Dimitrov | 6$^3$ | 6$^3$ | | | | | | | | | | | | | | | |

### 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 |
| 8 | L Lacko | 1$^r$ | | | | | | | | | | | | | | | | |
| | F Cipolla | 1 | | | | F Cipolla | 4 | 6 | 3 | | | | | | | | | |
| | L Rosol | 6 | 6 | | | L Rosol | 6 | 2 | 6 | | | | | | | | | |
| Q | F Veger | 2 | 4 | | | | | | | | L Rosol | 4 | 4 | | | | | |
| PR | S Devvarman | 0 | 7$^8$ | 4 | | | | | | 4 | J Melzer | 6 | 6 | | | | | |
| Q | M Berrer | 6 | 6$^6$ | 1$^r$ | PR | S Devvarman | 6 | 6$^5$ | 2 | | | | | | | | | |
| | | | | | 4 | J Melzer | 1 | 7$^7$ | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | | 4 | J Melzer | 7$^7$ | 6 |
| 5 | M Kližan | 4 | 7$^8$ | 6 | | | | | | | | | | | | R Haase | 6$^2$ | 3 |
| LL | M Viola | 6 | 6$^6$ | 1 | 5 | M Kližan | 2 | 6 | 4 | | | | | | | | | |
| WC | A Veić | 6 | 3 | 3 | | R Haase | 6 | 4 | 6 | | | | | | | | | |
| | R Haase | 2 | 6 | 6 | | | | | | | R Haase | 6 | 3 | 6 | | | | |
| WC | M Pavić | 5 | 2 | | | | | | | Q | P Petzschner | 4 | 6 | 0 | | | | |
| Q | P Petzschner | 7 | 6 | | Q | P Petzschner | 6 | 6 | | | | | | | | | | |
| | | | | | LL | D Marcan | 3 | 4 | | | | | | | | | | |

## Qualifying
### Seeds

* Michael Berrer (qualified)
* Philipp Petzschner (qualified)
* Matteo Viola (qualifying competition, lucky loser)
* Simon Greul (first round)
* Jamie Baker (first round)
* Marsel İlhan (first round)
* Pavol Červenák (second round)
* Boy Westerhof (second round)

### Qualifiers

* Michael Berrer
* Philipp Petzschner
* Ilija Bozoljac
* Filip Veger

### Lucky losers

* Dino Marcan
* Matteo Viola

### Draw
#### First qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Michael Berrer | 6 | 6 | | | | | | | | | |
| | Duje Kekez | 1 | 2 | | | | | | | | | |
| | Duje Kekez | 1 | 2 | | 1 | Michael Berrer | 6 | 6 | | | | |
| | | | | | WC | Borna Ćorić | 2 | 2 | | | | |
| WC | Borna Ćorić | 6 | 6 | | WC | Borna Ćorić | 2 | 2 | | | | |
| | Grzegorz Panfil | 3 | 1 | | | | | | | | | |
| | Grzegorz Panfil | 3 | 1 | | | | | | 1 | Michael Berrer | 7 | 6 |
| | | | | | | | | | | Dino Marcan | 5 | 3 |
| | Dino Marcan | 6 | 6 | | | | | | | | | | Dino Marcan | 5 | 3 |
| | Alexander Kudryavtsev | 4 | 3 | | | | | | | | | |
| | Alexander Kudryavtsev | 4 | 3 | | | Dino Marcan | 7 | 6 | | | | |
| | | | | | | Riccardo Bellotti | 5 | 2 | | | | |
| | Riccardo Bellotti | 3 | 6 | 6 | | Riccardo Bellotti | 5 | 2 | | | | |
| 6 | Marsel İlhan | 6 | 4 | 1 | | | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Philipp Petzschner | 6 | 6 | | | | | | | | | |
| | Joško Topić | 3 | 3 | | | | | | | | | |
| | Joško Topić | 3 | 3 | | 2 | Philipp Petzschner | 6 | 6 | | | | |
| | | | | | | Alexandre Sidorenko | 2 | 4 | | | | |
| | Alexandre Sidorenko | 7$^7$ | 7$^7$ | | | Alexandre Sidorenko | 2 | 4 | | | | |
| | Jaroslav Pospíšil | 6$^5$ | 6$^4$ | | | | | | | | | |
| | Jaroslav Pospíšil | 6$^5$ | 6$^4$ | | | | | | 2 | Philipp Petzschner | 6 | 6 |
| | | | | | | | | | | Franko Škugor | 3 | 3 |
| | Peter Torebko | 4 | 6 | 4 | | | | | | | | | Franko Škugor | 3 | 3 |
| | Franko Škugor | 6 | 4 | 6 | | | | | | | | |
| | Franko Škugor | 6 | 4 | 6 | | Franko Škugor | 6 | 7$^7$ | | | | |
| | | | | | 8 | Boy Westerhof | 4 | 6$^4$ | | | | |
| | Jan Minář | 3 | 3 | | 8 | Boy Westerhof | 4 | 6$^4$ | | | | |
| 8 | Boy Westerhof | 6 | 6 | | | | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Matteo Viola | 6 | 6 | | | | | | | | | | |
| | Marin Draganja | 2 | 4 | | | | | | | | | | |
| | Marin Draganja | 2 | 4 | | 3 | Matteo Viola | 6 | 7 | | | | | |
| | | | | | | Toni Androić | 0 | 5 | | | | | |
| WC | Franko Miočić | 4 | 6 | 1 | | Toni Androić | 0 | 5 | | | | | |
| | Toni Androić | 6 | 4 | 6 | | | | | | | | | |
| | Toni Androić | 6 | 4 | 6 | | | | | 3 | Matteo Viola | 6 | 3 | 2 |
| | | | | | | | | | | Ilija Bozoljac | 3 | 6 | 6 |
| | Ilija Bozoljac | 6 | 6 | | | | | | | | | | | Ilija Bozoljac | 3 | 6 | 6 |
| | Mate Delić | 4 | 4 | | | | | | | | | | |
| | Mate Delić | 4 | 4 | | | Ilija Bozoljac | 7$^8$ | 7 | | | | | |
| | | | | | 7 | Pavol Červenák | 6$^6$ | 5 | | | | | |
| | Mirza Bašić | 5 | 4 | | 7 | Pavol Červenák | 6$^6$ | 5 | | | | | |
| 7 | Pavol Červenák | 7 | 6 | | | | | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Simon Greul | 7$^7$ | 4 | 1 | | | | | | | | | |
| WC | Filip Veger | 6$^4$ | 6 | 6 | | | | | | | | | |
| WC | Filip Veger | 6$^4$ | 6 | 6 | WC | Filip Veger | 6 | 6 | | | | | |
| | | | | | | Kamil Čapkovič | 4 | 2 | | | | | |
| | Kristijan Mesaroš | 6 | 4 | 3 | | Kamil Čapkovič | 4 | 2 | | | | | |
| | Kamil Čapkovič | 4 | 6 | 6 | | | | | | | | | |
| | Kamil Čapkovič | 4 | 6 | 6 | | | | | WC | Filip Veger | 6 | 3 | 6 |
| | | | | | | | | | | Ante Pavić | 1 | 6 | 4 |
| WC | Mladen Mitak | 1 | 2 | | | | | | | | | | | Ante Pavić | 1 | 6 | 4 |
| | Ante Pavić | 6 | 6 | | | | | | | | | | |
| | Ante Pavić | 6 | 6 | | | Ante Pavić | 6 | 6 | | | | | |
| | | | | | | Marcin Gawron | 4 | 3 | | | | | |
| | Marcin Gawron | 7$^{11}$ | 6 | | | Marcin Gawron | 4 | 3 | | | | | |
| 5 | Jamie Baker | 6$^9$ | 1 | | | | | | | | | | |