French Open champion Swiatek defeated Croatian qualifier Jana Fett 6-0, 6-3 to remain undefeated since February.
The 21-year-old Pole will face Dutch lucky loser Lesley Pattinama Kerkhove for a place in the last 32.
Wimbledon results on Tuesday on the second day of the 2022 championships at the All England Club (x denotes seeded player):
Men
1st rd
Reilly Opelka (USA x15) bt Carlos Taberner (ESP) 7-6 (7/5), 6-4, 6-4
Mikael Ymer (SWE) bt Daniel Altmaier (GER) 6-3, 7-5, 7-5
Christian Harrison (USA) bt Jay Clarke (GBR) 7-6 (7/3), 6-1, 7-6 (8/6)
David Goffin (BEL) bt Radu Albot (MDA) 6-2, 6-2, 7-6 (7/5)
Sebastian Baez (ARG x31) bt Taro Daniel (JPN) 6-4, 6-4, 7-5
Ryan Peniston (GBR) bt Henri Laaksonen (SUI) 6-4, 6-3, 6-2
Steve Johnson (USA) bt Grigor Dimitrov (BUL x18) 4-6, 5-2 – retired
Women
1st rd
Lesley Pattinama Kerkhove (NED) bt Sonay Kartal (GBR) 6-4, 3-6, 6-1
Claire Liu (USA) bt Nuria Parrizas Diaz (ESP) 7-5, 6-3
Alize Cornet (FRA) bt Yulia Putintseva (KAZ x27) 6-3, 7-6 (7/5)
Catherine Harrison (USA) bt Arantxa Rus (NED) 6-1, 6-4
Viktorija Golubic (SUI) bt Andrea Petkovic (GER) 6-4, 6-3
Barbora Krejcikova (CZE x13) bt Maryna Zanevska (BEL) 7-6 (7/4), 6-3
Mihaela Buzarnescu (ROM) bt Nastasja Schunk (GER) 6-4, 6-2
Lauren Davis (USA) bt Madison Brengle (USA) 6-2, 7-5
Zhang Shuai (CHN x33) bt Misaki Doi (JPN) 6-4, 6-0
Marta Kostyuk (UKR) bt Katie Swan (GBR) 4-6, 6-4, 6-4
Maria Sakkari (GRE x5) bt Zoe Hives (AUS) 6-1, 6-4
Viktoriya Tomova (BUL) bt Daria Saville (AUS) 7-5, 3-6, 7-5
Tatjana Maria (GER) bt Astra Sharma (AUS) 4-6, 6-3, 6-4
Yanina Wickmayer (BEL) bt Zhu Lin (CHN) 6-4, 6-2
Jelena Ostapenko (LAT x12) bt Oceane Dodin (FRA) 6-4, 6-4
Wang Qiang (CHN) bt Belinda Bencic (SUI x14) 6-4, 5-7, 6-2
