Britain's Dan Evans suffered a defeat by world number two Carlos Alcaraz in a closely fought third-round tie at the Shanghai Masters.

He saved six break points - from 13 in the first set - during a fifth game that lasted nearly 20 minutes before losing the opener on a tie-break.

Evans was then broken when serving to stay in the match in the second set.

"It was a really tough match," said Alcaraz.

"It was one of the toughest matches I have played outside of the Grand Slams.

"Every time I play Daniel it is a tricky match and I have to play my best to beat him. Both of us played a high quality of tennis and I am really happy to get through."

Alcaraz will play Grigor Dimitrov, who beat Karen Khachanov 7-6 (8-6) 6-4, in the last 16.

At the Korea Open in Seoul, Britain's Katie Boulter was beaten 6-4 6-4 in the first round by Kaja Juvan of Slovenia.