2018 Rolex Paris Masters – Singles
was the defending champion, but lost to Dominic Thiem in the quarterfinals. As a result of his failure to defend his title as well as his failure to qualify for the ATP Finals, Sock fell out of the top 100 in the rankings after starting the season inside the top 10.
Karen Khachanov won his first Masters 1000 title, beating Novak Djokovic in the final, 7–5, 6–4. En route to the final, Khachanov had to save two match points to defeat John Isner in the third round.
Rafael Nadal and Djokovic were in contention of the ATP no. 1 singles ranking at the start of the tournament. Djokovic regained the top spot after winning his opening match alongside Nadal's withdrawal.
This tournament marked the first time since the 1998 Stuttgart Masters that no French or Spanish players made it through to the round of 16 in a Masters series event.Seeds
All seeds receive a bye into the second round.Draw
Finals
Top half
Section 2
Section 3
Section 4
Qualifying
Seeds
Qualifiers
Lucky Losers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
Fifth qualifier
Sixth qualifier
