Tseng Chun-hsin won the boys' singles tennis title at the 2018 French Open, defeating Sebastián Báez in the final, 7–6(7–5), 6–2.
Alexei Popyrin was the defending champion, but was no longer eligible to participate in junior tournaments.
Seeds
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
Qualifying
Seeds
Qualifiers
Draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
Fifth qualifier
Sixth qualifier
Seventh qualifier
Eighth qualifier
External links Draw