Pune - Ivo Karlovic beat an opponent more than two decades younger than him on Tuesday with a 6-4, 7-5 win over Felix Auger-Aliassime in the first round of the Maharashtra Open.
The 39-year-old Croat served 13 aces against his 18-year-old Canadian opponent. His next opponent is Evgeny Donskoy of Russia.
Three-time semi-finalist and fifth-seeded Benoit Paire beat lucky loser Thiago Monteiro 7-6 (7/5), 6-3 and next plays Jiri Vesely, who rallied to beat Antoine Hoang of France 4-6, 6-4, 6-4.
Ilya Ivashka also recovered from a set down before beating Hubert Hurkacz 6-7 (11/9), 6-2, 6-3. The Belarusian faces defending champion Gilles Simon in the second round.
Simone Bolelli converted all his three break points to win 6-4, 6-4 against Denis Istomin to set up a match against seventh-seeded Jaume Munar.
Results of matches at the ATP Tour's Maharashtra Open in Pune, India on Tuesday (x denotes seed):
Benoit Paire (FRA x5) bt Thiago Monteiro (BRA) 7-6 (7/5), 6-3
Simone Bolelli (ITA) bt Denis Istomin (UZB) 6-4, 6-4
Ivo Karlovic (CRO) bt Felix Auger-Aliassime (CAN) 6-4, 7-5
Jiri Vesely (CZE) bt Antoine Hoang (FRA) 4-6, 6-4, 6-4
Ilya Ivashka (BLR) bt Hubert Hurkacz (POL) 6-7 (9/11), 6-2, 6-3