|| None || 30,823 || 9–11 |- style="background:#bfb" | 21 || May 17 || Cubs || 8–4 || Johnny Podgajny (3–2) || Claude Passeau (1–2) || None || 2,000 || 10–11 |- style="background:#bfb" | 22 || May 18 || Cubs || 5–4 || Si Johnson (3–1) || Hiram Bithorn (3–4) || None || 20,820 || 11–11 |- style="background:#bbb" | – || May 19 || Cubs || colspan=6 | Postponed (inclement weather); Makeup: May 20 as a traditional double-header |- style="background:#bfb" | 23 || May 20 (1) || Cubs || 3–0 || Charlie Fuchs (1–3) || Bill Lee (1–2) || None || see 2nd game || 12–11 |- style="background:#bfb" | 24 || May 20 (2) || Cubs || 2–0 || Al Gerheauser (2–2) || Dick Barrett (0–3) || None || 3,429 || 13–11 |- style="background:#bbb" | – || May 21 || Pirates || colspan=6 | Postponed (inclement weather); Makeup: July 1 as a traditional double-header |- style="background:#bfb" | 25 || May 22 || Pirates || 10–0 || Schoolboy Rowe (2–2) || Bob Klinger (2–1) || None || 11,692 || 14–11 |- style="background:#fbb" | 26 || May 23 (1) || Pirates || 1–4 || Rip Sewell (4–1) || Johnny Podgajny (3–3) || None || see 2nd game || 14–12 |- style="background:#bfb" | 27 || May 23 (2) || Pirates || 5–2 || Jack Kraus (4–1) || Xavier Rescigno (1–3) || Si Johnson (2) || 37,176 || 15–12 |- style="background:#fbb" | 28 || May 26 || @ Reds || 0–1 || Bucky Walters (3–3) || Charlie Fuchs (1–4) || None || 7,512 || 15–13 |- style="background:#fbb" | 29 || May 27 || @ Reds || 0–7 || Elmer Riddle (3–3) || Si Johnson (3–2) || None || 1,084 || 15–14 |- style="background:#fbb" | 30 || May 28 || @ Reds || 8–11 || Clyde Shoun (1–1) || Johnny Podgajny (3–4) || None || 1,542 || 15–15 |- style="background:#fbb" | 31 || May 29 || @ Pirates || 4–12 || Xavier Rescigno (2–3) || Al Gerheauser (2–3) || None || 1,727 || 15–16 |- style="background:#fbb" | 32 || May 30 (1) || @ Pirates || 3–4 || Rip Sewell (5–1) || Schoolboy Rowe (2–3) || None || see 2nd game || 15–17 |- style="background:#fbb" | 33 || May 30 (2) || @ Pirates || 1–2 (10) || Wally Hebert (3–2) || Jack Kraus (4–2) || None || 7,297 || 15–18 |- style="background:#bfb" | 34