Top-seeded Roberto Bautista Agut swept aside French qualifier Gregoire Barrere 6-0 6-3 on Thursday to reach the quarter-finals of the Open Sud de France.
The Spanish veteran, who is chasing a 10th career title, won 100 per cent of his first-serve points in the first set and broke Barrere’s serve three times in each.
Barrere levelled for 2-2 as they exchanged breaks early into the second set but Bautista Agut broke him twice more, including in the last game.
The 32-year-old Spaniard next faces sixth-seeded Frenchman Ugo Humbert.
No. 3 Dusan Lajovic and No. 4 Hubert Hurkacz were both knocked out by unseeded players.
Lajovic was beaten 7-6 (7-5) 7-5 by Austrian David Novak and Hurkacz went down 7-5 6-2 to Spaniard Alejandro Davidovich Fokina.
Novak next plays German qualifier Peter Gojowczyk, who withstood 29 aces from Jiri Vesely and had 17 of his own in a 6-7 (7-3) 7-6 (7-4) 6-3 victory.
Davidovich Fokina next faces unseeded Belarusian Egor Gerasimov, who beat Aljaz Bedene 6-4 7-6 (7-4).