Wimbledon: Krejcikova edges Kudermetova in 3-hour, 14-minute marathon

31st seed Barbora Krejcikova reached the second round of Wimbledon by edging out Russian Veronika Kudermetova in a three-hour, 14-minute marathon on Wednesday.

Krejcikova finally emerged a 7-6 (4), 6-7 (1), 7-5 winner over the Russian at the All England Lawn Tennis and Croquet Club in London.

The Czech, a former French Open champion and now ranked No 32 in the world, will face American qualifier Katie Volynets next.

Wimbledon (Grand Slam), other first-round matches (All England Lawn Tennis and Croquet Club, grass, GBP 50,000,000):

• Danielle Collins (11) beat Clara Tauson: 6-3, 7-6 (4)
• Elina Svitolina (21) beat Magda Linette: 7-5, 6-7 (9), 6-3
• Jule Niemeier beat Viktorija Golubic: 6-2, 6-1
• Katie Volynets beat Maria Lourdes Carle: 6-2, 7-5
• Beatriz Haddad Maia (20) beat Magdalena Frech: 7-5, 6-3
• Camila Osorio beat Lauren Davis: 6-3, 6-1
• Ons Jabeur (10) beat Moyuka Uchijima: 6-3, 6-1
• Caroline Wozniacki (WC) beat Alycia Parks (Q): 6-2, 6-0
• Daria Snigur (Q) beat Oceane Dodin: 6-4, 6-0
• Katerina Siniakova (27) beat Marina Stakusic (Q): 6-4, 6-2
• Dalma Galfi (Q) beat Mayar Sherif: 6-1, 6-2
• Yulia Putintseva beat Angelique Kerber (WC): 7-5, 6-3
• Petra Martic beat Francesca Jones (WC): 3-6, 6-1, 6-2
• Robin Montgomery (Q) beat Olivia Gadecki (Q): 6-4, 6-4
• Caroline Garcia (23) beat Anna Blinkova: 6-4, 7-5
• Leylah Fernandez (30) beat Lucia Bronzetti: 6-4, 6-3
• Elina Avanesyan beat Anhelina Kalinina: 6-2, 6-3
• Iga Swiatek (1) beat Sofia Kenin: 6-3, 6-4
• Jelena Ostapenko (13) beat Ajla Tomljanovic (WC): 6-1, 6-2
• Marie Bouzkova beat Julia Riera: 6-2, 6-1
• Katie Boulter (32) beat Tatjana Maria: 7-6 (6), 7-5
• Anna Kalinskaya (17) beat Panna Udvardy (Q): 6-3, 6-2
• Bernarda Pera beat Anastasia Potapova: 6-7 (4), 6-4, 7-6 (6)
• Liudmila Samsonova (15) beat Rebeka Masarova: 6-3, 4-6, 6-2
• Jessica Bouzas Maneiro beat Marketa Vondrousova (6): 6-4, 6-2
• Elena Rybakina (4) beat Elena-Gabriela Ruse (Q): 6-3, 6-1
• Jessica Pegula (5) beat Ashlyn Krueger: 6-2, 6-0
• Laura Siegemund beat Kateryna Baindl: 6-4, 6-1
• Xinyu Wang beat Viktoriya Tomova: 7-6 (4), 3-6, 6-0
• Harriet Dart beat Zhuoxuan Bai (Q): 6-4, 6-0
• Cristina Bucsa beat Ana Bogdan: 6-4, 4-6, 7-6 (5)
• Linda Noskova (26) beat Sara Errani: 7-6 (3), 6-1
• Emma Navarro (19) beat Qiang Wang: 6-0, 6-2
• Paula Badosa beat Karolina Muchova: 6-3, 6-2
• Coco Gauff (2) beat Caroline Dolehide: 6-1, 6-2
• Bianca Andreescu beat Jaqueline Cristian: 6-4, 6-2
• Brenda Fruhvirtova beat Mirra Andreeva (24): 1-6, 6-3, 6-2
• Sonay Kartal (Q) beat Sorana Cirstea (29): 3-6, 6-2, 6-0
• Yuriko Lily Miyazaki (WC) beat Tamara Korpatsch: 6-2, 6-1
• Sloane Stephens beat Elsa Jacquemot (LL): 6-3, 6-3
• Yulia Starodubtseva (Q) beat Alison Van Uytvanck: 6-4, 6-3
• Emma Raducanu (WC) beat Renata Zarazua (LL): 7-6, 6-3
• Erika Andreeva (LL) beat Emina Bektas: 7-6 (5), 3-6, 6-3
• Donna Vekic beat Xiyu Wang: 3-6, 6-3, 6-4
• Lulu Sun (Q) beat Qinwen Zheng (8): 4-6, 6-2, 6-4
• Clara Burel beat Eva Lys (Q): 6-2, 6-4
• Daria Saville beat Peyton Stearns: 6-4, 6-2
• Naomi Osaka (WC) beat Diane Parry: 6-1, 1-6, 6-4
• Madison Keys (12) beat Martina Trevisan: 6-4, 7-6 (4)
• Diana Shnaider beat Karolina Pliskova: 4-6, 6-4, 7-5
• Yafan Wang beat Anna Karolina Schmiedlova: 6-0, 3-6, 6-4
• Jasmine Paolini (7) beat Sara Sorribes Tormo: 7-5, 6-3
• Arantxa Rus beat Yue Yuan: 6-2, 6-3
• Elise Mertens beat Nao Hibino: 2-6, 6-2, 6-4
• Daria Kasatkina (14) beat Shuai Zhang: 6-3, 6-0
• Marta Kostyuk (18) beat Rebecca Sramkova: 6-3, 6-2
• Anca Todoni (Q) beat Olga Danilovic (LL): 7-5, 6-1
• Greet Minnen beat Heather Watson (WC): 7-5, 6-4
• Varvara Gracheva beat Lesia Tsurenko: 6-3, 6-1
• Dayana Yastremska (28) beat Nadia Podoroska: 6-1, 7-6 (1)
• Maria Sakkari (9) beat McCartney Kessler (Q): 6-3, 6-1
• Anastasia Pavlyuchenkova (25) beat Taylor Townsend: 7-6 (4), 6-1
• Lin Zhu beat Irina-Camelia Begu: 6-0, 6-4