Alcaraz will play against the Japanese Taro Daniel (110th) and Djokovic against the Hungarian Marton Fucsovics (80th).
In the Suzanne Lenglen will appear Stefanos Tsitsipas (5th), against the Spanish Roberto Carballés (58th), and Aryna Sabalenka (2nd) against the also Belarusian Iryna Shymanovich (211th).
Main matches of the fourth day of Roland Garros, on Wednesday (in GMT hours):
Court Philippe-Chatrier (from 03:45)
Camila Giorgi (ITA) – Jessica Pegula (USA/#3 seed)
Caroline Garcia (FRA/N.5) – Anna Blinkova (RUS)
Carlos Alcaraz (ESP/N.1) – Taro Daniel (JPN)
(Not before 6:15 p.m.) Novak Djokovic (SRB/N.3) – Marton Fucsovics (HUN)
Court Suzanne-Lenglen (from 03:00)
Roberto Carballés (ESP) – Stefanos Tsitsipas (GRE/N.5)
Marketa Vondrousova (CZE) – Daria Kasatkina (RUS/N.9)
Iryna Shymanovich (BLR) – Aryna Sabalenka (BLR/N.2)
Lucas Pouille (FRA) – Cameron Norrie (GBR/N.14)
Court Simonne-Mathieu (from 03:00)
Storm Hunter (AUS) – Elina Svitolina (UKR)
Stan Wawrinka (SUI) – Thanasi Kokkinakis (AUS)
Corentin Moutet (FRA) – Andrey Rublev (RUS/N.7)
Léolia Jeanjean (FRA) – Elina Avanesyan (RUS)
Court 14 (from 03:00)
Jelena Ostapenko (LAT/N.17) – Peyton Stearns (USA)
Lorenzo Sonego (ITA) – Ugo Humbert (FRA)
Sloane Stephens (USA) – Varvara Gracheva (RUS)
Luca van Assche (FRA) – Alejandro Davidovich (ESP/N.29)
Court 7 (from 03:00)
Elise Mertens (BEL/N.28) – Camila Osorio (COL)
Lyudmila Samsonova (RUS/N.15) – Anastasia Pavlyuchenkova (RUS)
Tallon Griekspoor (NED) – Hubert Hurkacz (POL/N.13)
Lorenzo Musetti (ITA/N.17) – Alexander Shevchenko (RUS)
Court 6 (from 03:00)
(2nd match) Yulia Putintseva (KAZ) – Qinwen Zheng (CHN/N.19)
Karen Khachanov (RUS/N.11) – Radu Albot (MDA)
Court 9 (from 03:00)
(3rd match) Sara Errani (ITA) – Irina-Camelia Begu (ROM/N.27)
Court 12 (from 03:00)
(2nd match) Mayar Sherif (EGY) – Anastasia Potapova (RUS/N.24)
Matteo Arnaldi (ITA) – Denis Shapovalov (CAN/N.26)
Court 13 (from 03:00)
Sebastian Ofner (AUT) – Sebastian Korda (USA/N.24)
Roberto Bautista (ESP/N.19) – Juan Pablo Varillas (PER)