Diallo

Gabriel Diallo’s impressive run at the US Open is over.

The 22-year-old from Montreal lost 6-7 (5), 6-3, 6-1, 7-6 (3) to No. 14 seed Tommy Paul of the United States in the third round of the Grand Slam tennis tournament on Saturday.

Diallo, ranked 143rd in the world entering the tournament, qualified for only his second main draw at a major.

After winning three qualifying rounds, he upset No. 24 seed Arthur Fils of France in the second round and world No. 84 Jaume Munar of...