# 2018 Bengaluru Open – Singles

Sumit Nagal was the defending champion but lost in the quarterfinals to Saketh Myneni.
Prajnesh Gunneswaran won the title after defeating Myneni 6–2, 6–2 in the final.

## Seeds

* Radu Albot (first round)
* Marco Trungelliti (first round)
* Elias Ymer (first round)
* Prajnesh Gunneswaran (champion)
* Marc Polmans (second round)
* Quentin Halys (second round)
* Jay Clarke (first round)
* Filip Peliwo (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 |
| WC | Saketh Myneni | 4 | 6 | 6 | | | | |
| | Aleksandr Nedovyesov | 6 | 4 | 4 | | | | |
| | Aleksandr Nedovyesov | 6 | 4 | 4 | WC | Saketh Myneni | 2 | 2 |
| | | | | | 4 | Prajnesh Gunneswaran | 6 | 6 |
| 4 | Prajnesh Gunneswaran | 6 | 6 | | 4 | Prajnesh Gunneswaran | 6 | 6 |
| | Brayden Schnur | 4 | 1 | | | | | |

### 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 Albot | 6 | 2 | 2 | | | | | | | | | | | | | | |
| Q | Y Hossam | 2 | 6 | 6 | Q | Y Hossam | 1 | 6 | 1 | | | | | | | | | |
| WC | Adil Kalyanpur | 3 | 6$^3$ | | WC | S Myneni | 6 | 3 | 6 | | | | | | | | | |
| WC | S Myneni | 6 | 7$^7$ | | | | | | | WC | S Myneni | 6 | 6 | | | | | |
| | T-h Yang | 6$^4$ | 4 | | | | | | | WC | S Nagal | 4 | 4 | | | | | |
| | J Ward | 7$^7$ | 6 | | | J Ward | 3 | 6$^4$ | | | | | | | | | | |
| WC | S Nagal | 6 | 7 | | WC | S Nagal | 6 | 7$^7$ | | | | | | | | | | |
| 7 | J Clarke | 4 | 5 | | | | | | | | | | | WC | S Myneni | 4 | 6 | 6 |
| 3 | E Ymer | 4 | 5 | | | | | | | | | | | | A Nedovyesov | 6 | 4 | 4 |
| | D Masur | 6 | 7 | | | D Masur | 7 | 4 | 2 | | | | | | | | | |
| | F Ferreira Silva | 6 | 3 | 6 | | F Ferreira Silva | 5 | 6 | 6 | | | | | | | | | |
| | D Petrović | 3 | 6 | 4 | | | | | | | F Ferreira Silva | 4 | 2 | | | | | |
| | A Nedovyesov | 6 | 6 | | | | | | | | A Nedovyesov | 6 | 6 | | | | | |
| | S Griekspoor | 3 | 2 | | | A Nedovyesov | 6 | 6 | | | | | | | | | | |
| | M Banes | 6 | 4 | 2 | 5 | M Polmans | 2 | 4 | | | | | | | | | | |
| 5 | M Polmans | 1 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | F Peliwo | 2 | 0 | | | | | | | | | | | | | | |
| | B Kavčič | 6 | 6 | | | B Kavčič | 6$^2$ | 1$^r$ | | | | | | | | | |
| | C Altamirano | 6$^6$ | 3 | | Q | S Mukund | 7$^7$ | 3 | | | | | | | | | |
| Q | S Mukund | 7$^8$ | 6 | | | | | | | Q | S Mukund | 0$^r$ | | | | | |
| Q | S Fanselow | 7$^7$ | 6 | | | | | | | 4 | P Gunneswaran | 0 | | | | | |
| Q | Z Piros | 6$^3$ | 4 | | Q | S Fanselow | 6 | 4 | 5 | | | | | | | | |
| | I Nedelko | 2 | 2 | | 4 | P Gunneswaran | 4 | 6 | 7 | | | | | | | | |
| 4 | P Gunneswaran | 6 | 6 | | | | | | | | | | | 4 | P Gunneswaran | 6 | 6 |
| 6 | Q Halys | 6 | 6 | | | | | | | | | | | | B Schnur | 4 | 1 |
| WC | Suraj Prabodh | 3 | 1 | | 6 | Q Halys | 4 | 6$^3$ | | | | | | | | | |
| | M Purcell | 4 | 6$^3$ | | | B Schnur | 6 | 7$^7$ | | | | | | | | | |
| | B Schnur | 6 | 7$^7$ | | | | | | | | B Schnur | 6 | 6 | | | | |
| LL | Z Bergs | 6 | 6 | | | | | | | | C İlkel | 3 | 4 | | | | |
| | K Krawietz | 1 | 2 | | LL | Z Bergs | 5 | 3 | | | | | | | | | |
| | C İlkel | 6 | 3 | 7$^7$ | | C İlkel | 7 | 6 | | | | | | | | | |
| 2 | M Trungelliti | 2 | 6 | 6$^3$ | | | | | | | | | | | | | |