Montreal’s Gabriel Diallo serves up quarterfinal upset in the Netherlands

‘S-HERTOGENBOSCH — Montreal’s Gabriel Diallo fired 19 aces to beat No. 3 seed Karen Khachanov of Russia 7-6 (6), 3-6, 6-3 on Friday at the grass-court Libema Open.
The Canadian won 74 per cent of his first-serve points and saved four of five break chances.
He took the opening set in a tight tiebreak before Khachanov responded with a single break in the second.
Diallo broke early in the third and never faced another break point.
The 23-year-old is projected to rise to No.&