Canadian Leylah Fernandez won her first career main-draw match at Wimbledon, with a tough three-setter against Kateryna (Kozlova) Baindl of Ukraine.
Others? Not so fortunate. Coco Gauff, the No. 5 seed, had a tough draw against a rather high-level qualifier, countrywoman Sofia Kenin. Kenin won in three.
Talented seeds Liudmila Samsonova and Zheng Qinwen also went out in the first round.
Of the victorious seeded players, only Jessica Pegula and Victoria Azarenka needed three sets to get through.
And it was very good to see Belinda Bencic back in action.
There was a 90-minute or so rain delay early on. And so some matches were postponed to Tuesday (when it’s not supposed to be all that great). That includes the first-round match of Anett Kontaveit, who will say farewell to tennis when she’s eliminated at Wimbledon.
Tuesday’s OOP here:
(Wimbledon is six hours ahead of EDT).
The Championships, Wimbledon
Location: London, GBR
Category: Grand Slam (Joint event with ATP)
Dates: June 3 – July 16, 2023
Prize money: £44,700,000
Draws: S128 – D64
Monday, July 3, 2023
Leylah Fernandez (CAN) def Kateryna Baindl (UKR) 64 46 64
Rebeka Masarova (ESP) def  Mayar Sherif (EGY) 75 36 76 [10-6]
Cristina Bucsa (ESP) def Kamilla Rakhimova (RUS) 63 46 76 [11-9]
 Petra Martic (CRO) def Linda Fruhvirtova (CZE) 75 67 (5) 41 retd
[Q] Sofia Kenin (USA) def  Coco Gauff (USA) 64 46 62
Ana Bogdan (ROU) def  Liudmila Samsonova (RUS) 76 (1) 64
Katerina Siniakova (CZE) def  Qinwen Zheng (CHN) 63 75
 Iga Swiatek (POL) def Lin Zhu (CHN) 61 63
 Jessica Pegula (USA) def Lauren Davis (USA) 62 67 (8) 63
 Caroline Garcia (FRA) def Katie Volynets (USA) 64 63
 Daria Kasatkina (RUS) def [Q] Caroline Dolehide (USA) 61 64
 Veronika Kudermetova (RUS) def Kaia Kanepi (EST) 76 (4) 64
 Belinda Bencic (SUI) def [WC] Katie Swan (GBR) 75 62
 Victoria Azarenka (BLR) def [Q]Yue Yuan (CHN) 64 57 64
 Magda Linette (POL) def Jil Teichmann (SUI) 63 62
 Elise Mertens (BEL) def [Q] Viktoria Hruncakova (SVK) 76 (2) 62
 Marie Bouzkova (CZE) def [Q] Simona Waltert (SUI) 61 64
Other results (in alphabetical order)
[WC] Jodie Burrage (GBR) def Caty McNally (USA) 61 63
Alycia Parks (USA) def Anna-Lena Friedsam (GER) 64 63
Diane Parry (FRA) def [WC] Harriet Dart (GBR) 67 (4) 60 64
Nadia Podoroska (ARG) def Tereza Martincova (CZE) 36 76 (5) 64
[PR] Sara Sorribes Tormo (ESP) def Martina Trevisan (ITA) 63 61
[PR] Barbora Strycova (CZE) def Maryna Zanevska (BEL) 61 75
[WC] Elina Svitolina (UKR) def [WC] Venus Williams (USA) 64 63
Lesia Tsurenko (UKR) def Claire Liu (USA) 63 36 64
Marketa Vondrousova (CZE) def Peyton Stearns (USA) 62 75
Xinyu Wang (CHN) def [Q] Storm Hunter (AUS) 63 61
Danielle Collins (USA) v Julia Grabher (AUT) 64 – suspended
 Donna Vekic (CRO) vs Shuai Zhang (CHN) Anett Kontaveit (EST) v [Q] Lucrezia Stefanini (ITA) Camila Osorio (COL) v Elisabetta Cocciaretto (ITA) Sloane Stephens (USA) v Rebecca Peterson (SWE)