| Main Name: | Rotterdam Open |
| Date: | 12–18 February |
| Edition: | 45th |
| Category: | ATP World Tour 500 |
| Draw: | 32 / 16 |
| Surface: | Hard / indoor |
| Prize Money: | €1,724,930 |
| Location: | Rotterdam, Netherlands |
| Venue: | Rotterdam Ahoy |
| Champs: | Roger Federer |
| Champwcs: |  Gustavo Fernández |
| Champwcd: |  Joachim Gérard /  Stefan Olsson |
The 2018 ABN AMRO World Tennis Tournament (or Rotterdam Open) was a men's tennis tournament played on indoor hard courts. It took place at the Rotterdam Ahoy arena in the Dutch city of Rotterdam, between 12 and 18 February 2018. It was the 45th edition of the tournament, and part of the ATP World Tour 500 series of the 2018 ATP World Tour. The tournament also includes a Men's Wheelchair Tennis Singles and Doubles draw. The wheelchair tennis event was an ITF-1 level tournament, with a total of $32,000 prize money.[1]
| Event | W | F | SF | QF | Round of 16 | Round of 32 | width=85 | Q | width=85 | Q2 | width=85 | Q1 |
| Singles | 500 | 300 | 180 | 90 | 45 | 0 | 20 | 10 | 0 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubles | 0 | 45 | 25 | |||||||||
| Event | W | F | SF | QF | Round of 16 | Round of 321 | width=85 | Q2 | width=85 | Q1 |
| Singles | €401,580 | €196,875 | €99,065 | €50,380 | €26,165 | €13,800 | €3,050 | €1,555 | ||
| Doubles * | €120,910 | €59,200 | €29,690 | €15,240 | €7,880 | |||||
| Country | Player | Ranking1 | Seed | |
|---|---|---|---|---|
| Roger Federer | 2 | 1 | ||
| Grigor Dimitrov | 4 | 2 | ||
| Alexander Zverev | 5 | 3 | ||
| Belgium | David Goffin | 7 | 4 | |
| Stan Wawrinka | 15 | 5 | ||
 Czech Republic | Tomáš Berdych | 16 | 6 | |
 France | Lucas Pouille | 17 | 7 | |
| France | ||||
 Luxembourg | Gilles Müller | 28 | 9 |
The following players received wildcards into the main draw:
The following player received entry as a special exempt:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Roberto Bautista Agut → replaced by João Sousa
Nick Kyrgios → replaced by 
Viktor Troicki Jo-Wilfried Tsonga → replaced by 
Andreas Seppi Benoît Paire → replaced by Nicolas Mahut| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
 Poland | Łukasz Kubot |  Brazil | Marcelo Melo | 2 | 1 | |
 Austria | Oliver Marach | Mate Pavić | 11 | 2 | ||
| France | Pierre-Hugues Herbert | France | Nicolas Mahut | 20 | 3 | |
| Jean-Julien Rojer |  Romania | Horia Tecău | 23 | 4 |
The following pairs received wildcards into the doubles main draw:
The following pair received entry from the qualifying draw:
See main article: 2018 ABN AMRO World Tennis Tournament – Singles.
See main article: 2018 ABN AMRO World Tennis Tournament – Doubles.
Pierre-Hugues Herbert / Nicolas Mahut defeated Oliver Marach / Mate Pavić, 2–6, 6–2, [10–7]
