| Singles | |
|---|---|
| 2018 Bauer Watertechnology Cup | |
| Champion |  Antoine Hoang |
| Runner-up |  Ruben Bemelmans |
| Final score | 7–5, 6–3 |
Maximilian Marterer was the defending champion but chose not to defend his title.
Antoine Hoang won the title after defeating Ruben Bemelmans 7–5, 6–3 in the final.
Lukáš Lacko (first round)
Hubert Hurkacz (second round, retired)
Guillermo García López (second round)
Evgeny Donskoy (semifinals)
Yannick Maden (first round)
Marcos Baghdatis (first round) Ruben Bemelmans (final)
Dennis Novak (second round)| Semifinals | Final | ||||||||||||
| 7 | Ruben Bemelmans | 6 | 6 | ||||||||||
| 4 | Evgeny Donskoy | 2 | 3 | ||||||||||
| 7 | Ruben Bemelmans | 5 | 3 | ||||||||||
| Antoine Hoang | 7 | 6 | |||||||||||
| Q | Gleb Sakharov | 4 | 2 | ||||||||||
| Antoine Hoang | 6 | 6 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | L Lacko | 61 | 3 | ||||||||||||||||||||||||
 S Bolelli | 77 | 6 | S Bolelli | 4 | 7 | 3 | |||||||||||||||||||||
| WC | D Masur | 6 | 6 | WC | D Masur | 6 | 5 | 6 | |||||||||||||||||||
| LL |  B Gojo | 3 | 0 | WC | D Masur | 6 | 2 | 3 | |||||||||||||||||||
| WC | L Wessels | 3 | 1 | 7 | R Bemelmans | 1 | 6 | 6 | |||||||||||||||||||
| O Otte | 6 | 6 | O Otte | 4 | 1 | ||||||||||||||||||||||
| D Brands | 6 | 4 | 3 | 7 | R Bemelmans | 6 | 6 | ||||||||||||||||||||
| 7 | R Bemelmans | 4 | 6 | 6 | 7 | R Bemelmans | 6 | 6 | |||||||||||||||||||
| 4 | E Donskoy | 6 | 6 | 4 | E Donskoy | 2 | 3 | ||||||||||||||||||||
| Q |  I Sijsling | 1 | 1 | 4 | E Donskoy | 5 | 7 | 6 | |||||||||||||||||||
| K de Schepper | 63 | 4 | LL | B Bonzi | 7 | 5 | 4 | ||||||||||||||||||||
| LL | B Bonzi | 77 | 6 | 4 | E Donskoy | 6 | 77 | ||||||||||||||||||||
| LL |  A Bublik | 1 | 6 | 6 | Q | A Olivetti | 4 | 62 | |||||||||||||||||||
| A Martin | 6 | 2 | 2 | LL | A Bublik | 2 | 63 | ||||||||||||||||||||
| Q | A Olivetti | 77 | 3 | 6 | Q | A Olivetti | 6 | 77 | |||||||||||||||||||
| 6 | M Baghdatis | 65 | 6 | 3 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | D Novak | 7 | 6 | ||||||||||||||||||||||||
| M Moraing | 5 | 4 | 8 | D Novak | 2 | 710 | 4 | ||||||||||||||||||||
| WC | K Krawietz | 711 | 4 | 63 | M Bachinger | 6 | 68 | 6 | |||||||||||||||||||
| M Bachinger | 69 | 6 | 77 | M Bachinger | 6 | 5 | 1 | ||||||||||||||||||||
| Alt | A Vatutin | 1 | 4 | Q | G Sakharov | 3 | 7 | 6 | |||||||||||||||||||
| Q | G Sakharov | 6 | 6 | Q | G Sakharov | 6 | 77 | ||||||||||||||||||||
| Q Halys | 67 | 65 | 3 | G García López | 4 | 60 | |||||||||||||||||||||
| 3 | G García López | 79 | 77 | Q | G Sakharov | 4 | 2 | ||||||||||||||||||||
| 5 | Y Maden | 3 | 63 | A Hoang | 6 | 6 | |||||||||||||||||||||
| A Hoang | 6 | 77 | A Hoang | 6 | 6 | ||||||||||||||||||||||
| Q | R Marcora | 4 | 4 |  S Stakhovsky | 2 | 2 | |||||||||||||||||||||
| S Stakhovsky | 6 | 6 | A Hoang | 6 | 1 | 6 | |||||||||||||||||||||
 L Rosol | 3 | 6 | 6 | L Rosol | 3 | 6 | 4 | ||||||||||||||||||||
| WC | R Molleker | 6 | 3 | 2 | L Rosol | 5 | |||||||||||||||||||||
| M Donati | 3 | 6 | 3 | 2 | H Hurkacz | 2r | |||||||||||||||||||||
| 2 | H Hurkacz | 6 | 3 | 6 | |||||||||||||||||||||||
Marin Čilić defend his 2009 title and he won in the final 6–4, 6–7(5–7), 6–3, against Michael Berrer.
Björn Phau won the title, defeating Ruben Bemelmans in the final 6–7(4–7), 6–3, 6–4.
Roger Federer defeated John Isner in the final, 7–6(9–7), 6–3 to win the men's singles tennis title at the 2012 Indian Wells Masters. It was his record fourth Indian Wells title.
Mardy Fish was the defending champion, but had to retire in his second round match against Gilles Müller.
Jo-Wilfried Tsonga was the defending champion but decided to compete at the If Stockholm Open instead.
Juan Martín del Potro won the title, defeating Grega Žemlja 7–5, 6–3 in the final.
Juan Martín del Potro was the defending champion but decided not to compete.
Tommy Haas won the title, defeating Robin Haase in the final, 6–3, 4–6, 6–4.
Daniel Brands was the defending champion, but chose not to compete.
Top seed Benjamin Becker won title defeating Ruben Bemelmans 2–6, 7–6(7–3), 6–4.
John Isner was the defending champion, but lost in the second round to Dustin Brown.
Ernests Gulbis was the defending champion, but lost to Dominic Thiem in the quarterfinals.
Thiem went on to win his first ATP title, defeating Leonardo Mayer in the final, 6–7(8–10), 7–5, 7–6(7–2).
Roger Federer was the two-time defending champion and successfully defended his title, defeating Andreas Seppi in the final, 7–6(7–1), 6–4.
Ivo Karlović was the defending champion from when the tournament was last held in 2008, but chose not to participate.
Henri Laaksonen was the defending champion and successfully defended his title.
Dan Evans was the defending champion, but decided not to participate this year.
Robin Haase was the defending champion but lost in the first round to Thiemo de Bakker.
Dudi Sela was the defending champion but lost in the second round to Liam Broady.
Jo-Wilfried Tsonga was the defending champion, but withdrew before the tournament began.
Damir Džumhur was the defending champion, but lost in the quarterfinals to Stan Wawrinka.
Denis Istomin was the defending champion, but chose not to participate this year.
Lucas Pouille was the defending champion, but lost to Borna Ćorić in the second round.
Lucas Pouille was the defending champion, but lost in the second round to Marcos Baghdatis.