| Men's singles | |
|---|---|
| 2018 Advantage Cars Prague Open | |
| Champion |  Lukáš Rosol |
| Runner-up |  Aleksandr Nedovyesov |
| Final score | 4–6, 6–3, 6–4 |
The men's singles of the 2018 Advantage Cars Prague Open tournament was played on clay in Prague, Czech Republic.
Andrej Martin was the defending champion but chose not to defend his title.
Lukáš Rosol won the title after defeating Aleksandr Nedovyesov 4–6, 6–3, 6–4 in the final.
Yannick Maden (second round)
Rogério Dutra Silva (second round) Mats Moraing (quarterfinals)
Enrique López Pérez (quarterfinals) Adam Pavlásek (first round)
Attila Balázs (first round) Oscar Otte (second round) Pedro Martínez (semifinals)| Semifinals | Final | ||||||||||||
| Aleksandr Nedovyesov | 6 | 6 | |||||||||||
| 8 | Pedro Martínez | 3 | 4 | ||||||||||
| Aleksandr Nedovyesov | 6 | 3 | 4 | ||||||||||
| Lukáš Rosol | 4 | 6 | 6 | ||||||||||
| Lukáš Rosol | 1 | 6 | 77 | ||||||||||
| Q |  Filip Horanský | 6 | 3 | 65 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | Y Maden | 6 | 6 | ||||||||||||||||||||||||
 G Oliveira | 3 | 3 | 1 | Y Maden | 3 | 5 | |||||||||||||||||||||
| A Nedovyesov | 6 | 6 | A Nedovyesov | 6 | 7 | ||||||||||||||||||||||
| Q | Marc Sieber | 0 | 4 | A Nedovyesov | 6 | 77 | |||||||||||||||||||||
| G Clezar | 6 | 6 | G Clezar | 4 | 63 | ||||||||||||||||||||||
| SE | D Brands | 3 | 1 | G Clezar | 6 | 65 | 6 | ||||||||||||||||||||
| Q |  T van Rijthoven | 6 | 62 | 6 | Q | T van Rijthoven | 3 | 77 | 4 | ||||||||||||||||||
| 5 | A Pavlásek | 3 | 77 | 3 | A Nedovyesov | 6 | 6 | ||||||||||||||||||||
| 3 | M Moraing | 78 | 2 | 6 | 8 | P Martínez | 3 | 4 | |||||||||||||||||||
| Z Kolář | 66 | 6 | 3 | 3 | M Moraing | 4 | 6 | 6 | |||||||||||||||||||
| WC | P Rikl | 5 | 7 | 6 | WC | P Rikl | 6 | 3 | 2 | ||||||||||||||||||
 I Nedelko | 7 | 5 | 4 | 3 | M Moraing | 2 | 3 | ||||||||||||||||||||
| WC | Marek Podlešák | 1 | 4 | 8 | P Martínez | 6 | 6 | ||||||||||||||||||||
| S Griekspoor | 6 | 6 | S Griekspoor | 6 | 4 | 5 | |||||||||||||||||||||
| SE |  J Rodionov | 1 | 1 | 8 | P Martínez | 4 | 6 | 7 | |||||||||||||||||||
| 8 | P Martínez | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | A Balázs | 2 | 1 | ||||||||||||||||||||||||
| L Rosol | 6 | 6 | L Rosol | 7 | 6 | ||||||||||||||||||||||
| WC | J Šátral | 1 | 3 | J Domingues | 5 | 4 | |||||||||||||||||||||
| J Domingues | 6 | 6 | L Rosol | 1 | 6 | 78 | |||||||||||||||||||||
| B Zapata Miralles | 710 | 64 | 6 | 4 | E López Pérez | 6 | 2 | 66 | |||||||||||||||||||
 B Rola | 68 | 77 | 4 | B Zapata Miralles | 3 | 3 | |||||||||||||||||||||
 L Giustino | 2 | 77 | 64 | 4 | E López Pérez | 6 | 6 | ||||||||||||||||||||
| 4 | E López Pérez | 6 | 62 | 77 | L Rosol | 1 | 6 | 77 | |||||||||||||||||||
| 7 | O Otte | 2 | 6 | 6 | Q | F Horanský | 6 | 3 | 65 | ||||||||||||||||||
 U Ignatik | 6 | 4 | 1 | 7 | O Otte | 4 | 64 | ||||||||||||||||||||
| Q | Pavel Nejedlý | 2 | 2 | Q | F Horanský | 6 | 77 | ||||||||||||||||||||
| Q | F Horanský | 6 | 6 | Q | F Horanský | 0 | 6 | 6 | |||||||||||||||||||
| V Šafránek | 6 | 6 | V Šafránek | 6 | 2 | 1 | |||||||||||||||||||||
| WC | Dominik Šproch | 3 | 3 | V Šafránek | 6 | 6 | |||||||||||||||||||||
 C Lestienne | 2 | 4 | 2 | R Dutra Silva | 4 | 4 | |||||||||||||||||||||
| 2 | R Dutra Silva | 6 | 6 | ||||||||||||||||||||||||
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