# 2018 Garden Open – Singles

Marco Cecchinato was the defending champion but chose not to defend his title.
Adam Pavlásek won the title after defeating Laslo Đere 7–6$^{(7–1)}$, 6–7$^{(9–11)}$, 6–4 in the final.

## Seeds

* Ruben Bemelmans (second round)
* Laslo Đere (final)
* Taro Daniel (withdrew)
* Yannick Maden (withdrew)
* Rogério Dutra Silva (quarterfinals)
* Quentin Halys (first round)
* Jozef Kovalík (second round)
* Simone Bolelli (quarterfinals, withdrew)

## 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 | Gianluigi Quinzi | 7$^7$ | 3 | 5 | | | | | |
| | Adam Pavlásek | 6$^4$ | 6 | 7 | | | | | |
| | Adam Pavlásek | 6$^4$ | 6 | 7 | | Adam Pavlásek | 7$^7$ | 6$^9$ | 6 |
| | | | | | 2 | Laslo Đere | 6$^1$ | 7$^{11}$ | 4 |
| Q | Kevin Krawietz | 2 | 2 | | 2 | Laslo Đere | 6$^1$ | 7$^{11}$ | 4 |
| 2 | Laslo Đere | 6 | 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 | Semifinals |
| 1 | R Bemelmans | 6 | 6 | | | | | | | | | | | | | | | |
| | A Arnaboldi | 4 | 2 | | 1 | R Bemelmans | 6 | 1 | 2 | | | | | | | | | |
| WC | G Quinzi | 6 | 6 | | WC | G Quinzi | 4 | 6 | 6 | | | | | | | | | |
| LL | R Marcora | 4 | 4 | | | | | | | WC | G Quinzi | 6 | 6 | | | | | |
| | JI Londero | 7$^7$ | 6 | | | | | | | 5/Alt | R Dutra Silva | 4 | 4 | | | | | |
| Q | B Zapata Miralles | 6$^0$ | 3 | | | JI Londero | 6$^5$ | 4 | | | | | | | | | | |
| | V Millot | 3 | 1 | | 5/Alt | R Dutra Silva | 7$^7$ | 6 | | | | | | | | | | |
| 5/Alt | R Dutra Silva | 6 | 6 | | | | | | | | | | | WC | G Quinzi | 7$^7$ | 3 | 5 |
| LL | Patricio Heras | 6 | 3 | 7 | | | | | | | | | | | A Pavlásek | 6$^4$ | 6 | 7 |
| WC | G Fonio | 4 | 6 | 5 | LL | P Heras | 7$^9$ | 6 | | | | | | | | | | |
| WC | Riccardo Balzerani | 3 | 7$^7$ | 4 | | V Galović | 6$^7$ | 0 | | | | | | | | | | |
| | V Galović | 6 | 6$^4$ | 6 | | | | | | LL | P Heras | 6$^5$ | 1 | | | | | |
| SE | M Viola | 2 | 4 | | | | | | | | A Pavlásek | 7$^7$ | 6 | | | | | |
| | A Giannessi | 6 | 6 | | | A Giannessi | 4 | 1 | | | | | | | | | | |
| | A Pavlásek | 6 | 4 | 6 | | A Pavlásek | 6 | 6 | | | | | | | | | | |
| 6 | Q Halys | 4 | 6 | 1 | | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | J Kovalík | 7 | 6 | | | | | | | | | | | | | | |
| | A Martin | 5 | 4 | | 7 | J Kovalík | 6$^3$ | 7 | 3 | | | | | | | | |
| | V Šafránek | 1 | 6 | 6 | | V Šafránek | 7$^7$ | 5 | 6 | | | | | | | | |
| | M Donati | 6 | 2 | 3 | | | | | | | V Šafránek | 6$^5$ | 6$^3$ | | | | |
| Q | K Krawietz | 6 | 6 | | | | | | | Q | K Krawietz | 7$^7$ | 7$^7$ | | | | |
| Q | A Haider-Maurer | 1 | 3 | | Q | K Krawietz | 3 | 7$^7$ | 6 | | | | | | | | |
| | R Olivo | 6 | 6 | | | R Olivo | 6 | 6$^2$ | 3 | | | | | | | | |
| Q | Í Cervantes | 2 | 2 | | | | | | | | | | | Q | K Krawietz | 2 | 2 |
| 8 | S Bolelli | 6 | 7$^7$ | | | | | | | | | | | 2 | L Đere | 6 | 6 |
| | M Trungelliti | 2 | 6$^1$ | | 8 | S Bolelli | 6 | 6 | | | | | | | | | |
| LL | Alberto Romero de Ávila Senise | 6$^7$ | 0 | | | M Safwat | 1 | 4 | | | | | | | | | |
| | M Safwat | 7$^9$ | 6 | | | | | | | 8 | S Bolelli | | | | | | |
| | T Brkić | 6 | 4 | 6 | | | | | | 2 | L Đere | w/o | | | | | |
| | Z Kolář | 1 | 6 | 0 | | T Brkić | 6$^5$ | 6 | 5 | | | | | | | | |
| WC | R Brancaccio | 4 | 2 | | 2 | L Đere | 7$^7$ | 3 | 7 | | | | | | | | |
| 2 | L Đere | 6 | 6 | | | | | | | | | | | | | | |