1) 55th
2) 70th
3) 76th
4) 80th
Explanation:
The 76th edition of Italian Open which is also known as “Rome Masters” or “the Internazionali BNL d’Italia” held at Foro Italico in Rome, Italy from May 13 to 19, 2019. It was a professional tennis tournament which played on outdoor clay courts. The Italian Open was classified as an ATP World Tour Masters 1000 event on the ATP World Tour 2019 and a Premier 5 event on the WTA Tour 2019.