@ Pirates || 5–4 || Bucky Walters (3–1) || Ed Brandt (3–1) || None || 2,000 || 10–15 |- style="background:#fbb" | 26 || May 20 || @ Pirates || 2–5 || Bill Swift (3–1) || Wayne LaMaster (3–5) || None || 2,800 || 10–16 |- style="background:#fbb" | 27 || May 21 || @ Reds || 5–6 || Don Brennan (1–0) || Claude Passeau (2–4) || Lee Grissom (1) || 1,586 || 10–17 |- style="background:#bfb" | 28 || May 22 || @ Reds || 19–9 || Claude Passeau (3–4) || Al Hollingsworth (1–1) || None || 3,025 || 11–17 |- style="background:#fbb" | 29 || May 23 || @ Cardinals || 2–6 || Dizzy Dean (6–2) || Bucky Walters (3–2) || None || 13,529 || 11–18 |- style="background:#fbb" | 30 || May 25 || @ Cubs || 3–5 || Bill Lee (4–4) || Claude Passeau (3–5) || None || 3,093 || 11–19 |- style="background:#bfb" | 31 || May 26 || @ Cubs || 6–1 || Wayne LaMaster (4–5) || Roy Parmelee (3–4) || None || 3,848 || 12–19 |- style="background:#bfb" | 32 || May 27 || @ Cubs || 11–2 || Bucky Walters (4–2) || Larry French (0–4) || None || 2,045 || 13–19 |- style="background:#fbb" | 33 || May 29 || Giants || 4–10 || Cliff Melton (2–3) || Claude Passeau (3–6) || None || || 13–20 |- style="background:#fbb" | 34 || May 29 || Giants || 2–4 || Dick Coffman (1–0) || Hugh Mulcahy (0–5) || None || 12,000 || 13–21 |- style="background:#bfb" | 35 || May 30 || Giants || 6–3 || Wayne LaMaster (5–5) || Harry Gumbert (1–1) || Orville Jorgens (1) || 8,000 || 14–21 |- style="background:#bfb" | 36 || May 31 || Bees || 6–3 || Bucky Walters (5–2) || Danny MacFayden (3–6) || None || || 15–21 |- style="background:#bfb" | 37 || May 31 || Bees || 9–6 || Claude Passeau (4–6) || Jim Turner (3–2) || None || 15,000 || 16–21 |- |- style="background:#fbb" | 38 || June 2 || Reds || 4–8 || || Leon Pettit (0–1) || Lee Grissom (3) || 1,000 || 16–22 |- style="background:#bbb" | – || June 3 || Reds || colspan=6 | Postponed (rain); Makeup: July 25 as a traditional double-header |- style="background:#fbb" | 39 || June 4 || Reds || 8–9 || Al Hollingsworth (2–2) || Wayne LaMaster (5–6) || Peaches Davis (1) || 6,000 || 16–23