The 2018 Italian Open (also known as the 2018 Rome Masters and sponsored title 2018 Internazionali BNL d'Italia) was a professional tennis tournament played on outdoor clay courts at the Foro Italico in Rome, Italy from 14 to 20 May 2018. It was the 75th edition of the Italian Open and it is classified as an ATP World Tour Masters 1000 event on the 2018 ATP World Tour and a Premier 5 event on the 2018 WTA Tour.[1]
Rafael Nadal defeated Alexander Zverev, 6–1, 1–6, 6–3
Elina Svitolina defeated 
Simona Halep, 6–0, 6–4
Juan Sebastián Cabal / Robert Farah defeated Pablo Carreño Busta / João Sousa, 3–6, 6–4, [10–4]
Ashleigh Barty / Demi Schuurs defeated 
Andrea Sestini Hlaváčková / Barbora Strýcová, 6–3, 6–4| Event | Round of 16 | Round of 32 | Round of 64 | width=85 | width=85 | width=85 | |||||||
| Men's singles[2] | 1000 | 600 | 360 | 180 | 90 | 45 | 10 | 25 | 16 | 0 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Men's doubles[3] | 10 | ||||||||||||
| Women's singles | 900 | 585 | 350 | 190 | 105 | 60 | 1 | 30 | 20 | 1 | |||
| Women's doubles | 1 |
| width=130 bgcolor=efefef | Event | width=80 bgcolor=lime | W | width=85 bgcolor=thistle | F | width=85 bgcolor=ffff00 | SF | width=85 bgcolor=ffebcd | QF | width=85 bgcolor=afeeee | Round of 16 | width=85 bgcolor=afeeee | Round of 32 | width=85 bgcolor=afeeee | Round of 64 | width=85 | Q2 | width=85 | Q1 |
| style=background:#f3f3f3 | Men's singles | €935,385 | €458,640 | €230,830 | €117,375 | €60,945 | €32,135 | €17,350 | €4,000 | €2,040 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| style=background:#f3f3f3 | Women's singles | €507,100 | €253,425 | €126,590 | €58,313 | €28,910 | €14,840 | €7,627 | €4,245 | €2,184 | |||||||||
| style=background:#f3f3f3 | Men's doubles | €289,670 | €141,820 | €71,130 | €35,510 | €18,870 | €9,960 | ||||||||||||
| style=background:#f3f3f3 | Women's doubles | €145,167 | €73,322 | €36,293 | €18,269 | €9,227 | €4,572 |
The following are the seeded players. Seedings are based on ATP rankings as of 7 May 2018. Rankings and points before are as of 14 May 2018.
| Seed[4] | Rank | Player | Points before | Points defending | Points won | Points after | Status | |
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Rafael Nadal | 7,950 | 180 | 1000 | 8,770 | Champion, defeated Alexander Zverev [2] | |
| 2 | 3 | Alexander Zverev | 6,015 | 1,000 | 600 | 5,615 | Runner-up, lost to Rafael Nadal [1] | |
| 3 | 4 | Grigor Dimitrov | 4,870 | 10 | 10< | --top 8 seeds get 10 points only for second round because of first round byes--> | 4,870 | Second round lost to  Kei Nishikori |
| 4 | 5 | Marin Čilić | 4,770 | 180 | 360 | 4,950 | Semifinals lost to Alexander Zverev [2] | |
| 5 | 6 |  Juan Martín del Potro | 4,540 | 180 | 90 | 4,450 | Third round retired against  David Goffin [9] | |
| 6 | 8 |  Dominic Thiem | 3,545 | 360 | 10 | 3,195 | Second round lost to  Fabio Fognini | |
| 7 | 7 | Kevin Anderson | 3,660 | 35 | 10 | 3,635 | Second round retired against Aljaž Bedene | |
| 8 | 9 |  John Isner | 3,305 | 360 | 10 | 2,955 | Second round lost to Albert Ramos Viñolas | |
| 9 | 10 | 2,930 | 90 | 180 | 3,020 | Quarterfinals lost to Alexander Zverev | ||
| 10 | 11 | Pablo Carreño Busta | 2,280 | 45 | 180 | 2,415 | Quarterfinals lost to Marin Čilić [4] | |
| 11 | 18 |  Novak Djokovic | 1,905 | 600 | 360 | 1,665 | Semifinals lost to Rafael Nadal [1] | |
| 12 | 12 | 2,220 | 90 | 10 | 2,140 | First round lost to Peter Gojowczyk | ||
| 13 | 14 | Jack Sock | 2,155 | 90 | 45 | 2,110 | Second round lost to Philipp Kohlschreiber | |
| 14 | 15 | Diego Schwartzman | 2,130 | 10 | 45 | 2,165 | Second round lost to  Benoît Paire | |
| 15 | 17 | Tomáš Berdych | 1,980 | 90 | 10 | 1,900 | First round lost to  Denis Shapovalov | |
| 16 | 16 | Lucas Pouille | 1,995 | 10 | 45 | 2,030 | Second round lost to  Kyle Edmund |
The following players would have been seeded, but they withdrew from the event.
| Rank | Player | Points before | Points defending | Points after | Reason | |
|---|---|---|---|---|---|---|
| 1 | 9,670 | 0 | 8,670 | Scheduling | ||
| 13 | 2,210 | 10 | 2,120 | Personal |
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
Steve Johnson
Hyeon Chung → replaced by Alexandr Dolgopolov Denis Shapovalov Filip Krajinović → replaced by Aljaž Bedene Nick Kyrgios → replaced by Ryan Harrison Andy Murray → replaced by Leonardo Mayer Milos Raonic → replaced by Peter Gojowczyk
Andrey Rublev → replaced by Daniil Medvedev Jo-Wilfried Tsonga → replaced by Benoît PaireThe following pairs received wildcards into the doubles main draw:
The following pair received entry as alternates:
The following players received wildcards into the main draw:
The following players received entry using a protected ranking:
The following players received entry from the qualifying draw:
Danielle Collins Ajla Tomljanović Alison Van Uytvanck Natalia VikhlyantsevaThe following players received entry as lucky losers:
Alizé Cornet → replaced by Elena Vesnina
Tímea Babos Petra Kvitová → replaced by Aleksandra Krunić Ekaterina Makarova → replaced by 
Aryna Sabalenka Elise Mertens → replaced by Maria Sakkari Serena Williams → replaced by 
Zarina DiyasThe following pairs received wildcards into the doubles main draw:
The following pair received entry as alternates:
Poland
Brazil
Finland
India
Slovakia
China