Serena Williams, trio of Canadians advance at U.S. Open

Serena Williams will tack on at least one more singles tennis match to her legendary career.

The 40-year-old comfortably took down Montenegro's Danka Kovinic in the first round of the U.S. Open in straight sets (6-3, 6-3).

The 23-time Grand Slam champion will be in tough in her second round matchup, taking on world No. 2-ranked Anett Kontaveit of Estonia 

Bianca Andreescu advanced to the second round of the U.S. Open with a 6-0, 3-6, 6-1 win over France's Harmony Tan on Monday in New York.

Andreescu, ranked 50th in the world heading into the final Grand Slam of the season, put the game away on her second match point when Tan missed on a forehand volley.

The 22-year-old from Mississauga, Ont., and 2019 U.S. champion, improved her all-time record to 11-1 at the tournament.

Andreescu started the match with a dominant first set, losing just eight points. She won 14 points in a row between the fourth and sixth games.

Tan came back with a strong second set, scoring two early breaks and jumping to a 4-0 lead. Andreescu cut the lead to 5-3, but Tan served to love in the decisive game to even the match at a set apiece.

WATCH | Andreescu wins 6 of 9 break points in 1st-round victory:

Andreescu returned to form in the third set, scoring an early break in Game 2 and taking a 3-0 lead. Tan won on serve to cut the lead to 3-1, but Andreescu responded by serving to love in Game 5, then came back from 40-0 down to score the break and take a 5-1 lead.

Serving for the match, Andreescu clinched the victory on her second match point.

Tan had 28 unforced errors and eight double-faults in the match, compared to 17 unforced errors and just one double-fault for Andreescu.

WATCH | Andreescu ousted from National Bank Open by Zheng:

Andreescu won