Highlights of U.S. Open second day

NEW YORK (Reuters) – Highlights from day two of the U.S. Open tennis championships on Tuesday (all times GMT):

0050 KEYS BOOKS SECOND ROUND SPOT

– Madison Keys beats Belgian Elise Mertens 6-3 7-6(6) in front of her home crowd at the Arthur Ashe Stadium

– The 15th seed will meet compatriot Ashley Kratzer or German Tatjana Maria in the second round.

2140 OSTAPENKO ADVANCES

– French Open champion Jelena Ostapenko recorded a 6-2 1-6 6-1 first-round victory over Spain’s Lara Arruabarrena.

– The first-round match was moved to Arthur Ashe Stadium from Court 17 after play on outer courts was canceled due to rain.

– Latvian Ostapenko will meet Romania’s Sorana Cirstea in the next round.

2110 TOP SEED NADAL THROUGH TO ROUND TWO

– World number one Rafa Nadal beat Serbian Dusan Lajovic 7-6(6) 6-2 6-2 to reach the second round.

– Nadal improved his first round record at Flushing Meadows to 13-0.

– The top-seeded Spaniard will meet Japan’s Taro Daniel or American Tommy Paul in the next round.

1935 MATCHES ON OUTER-COURTS CANCELED DUE TO RAIN

– All outer-court matches, except Jelena Ostapenko v Lara Arruabarrena, have been canceled due to rain as play continues under the roof at Arthur Ashe Stadium.

– French Open champion Ostapenko leads 6-2 1-6 3-1 against Spaniard Arruabarrena and the match could be completed on the center court in the evening session.

1820 DEFENDING CHAMPION KERBER SUFFERS SHOCK DEFEAT

– Japan’s Naomi Osaka beat last year’s champion Angelique Kerber 6-3 6-1 to reach the second round.

– Sixth seed Kerber is the second defending U.S. women’s champion to lose in the first round after Svetlana Kuznetsova in 2005.

1640 PLISKOVA CRUISES PAST LINETTE

– World number one and top seed Karolina Pliskova hit eight aces to book a spot in the second round of the tournament for the second successive year with a 6-2 6-1 win over Poland’s Magda Linette.

– The 25-year-old was a finalist at Flushing Meadows last year and is looking to seal her first grand slam title this time around.

– Czech Republic’s Barbora Strycova, who is the 23rd seed at the tournament, also progressed to the second round with a 6-1 6-3 win over Japan’s Misaki Doi.