Thursday 21 May 2015 21:56, UK
Big-serving American John Isner booked his place in the semi-finals of the Open de Nice with a straight sets win over Dusan Lajovic on Thursday.
Isner saved both break points he faced and broke his Serbian opponent once in the second set as he ran out a 7-6 (7-3) 6-4 winner.
Isner will face Austria's Dominic Thiem in the last four after Thiem pulled off an upset 6-2 6-4 win over third seed Ernests Gulbis.
The 21-year-old Thiem broke Gulbis twice in each set to advance to the last four, despite being broken himself in the second set.
Fourth seed Leonardo Mayer saved six break points as he overcame eighth seed Juan Monaco 6-3 6-4. Mayer will next face Croatia's Borna Coric who ended the run of Australian James Duckworth 6-3 7-6 (7/3).
