see 2nd game || 9–8 |- style="background:#fbb" | 18 || May 1 (2) || Cubs || 2–4 || Hal Jeffcoat (3–0) || Jack Meyer (1–2) || Warren Hacker (1) || 13,917 || 9–9 |- style="background:#fbb" | 19 || May 2 || Cubs || 1–2 || Warren Hacker (1–1) || Robin Roberts (3–2) || None || 7,964 || 9–10 |- style="background:#fbb" | 20 || May 3 || Redlegs || 5–7 || Bud Podbielan (1–0) || Jack Spring (0–1) || None || 6,029 || 9–11 |- style="background:#fbb" | 21 || May 4 || Redlegs || 3–7 || Gerry Staley (3–2) || Ron Mrozinski (0–1) || Art Fowler (1) || 5,531 || 9–12 |- style="background:#fbb" | 22 || May 6 || Dodgers || 4–6 (12) || Don Newcombe (3–0) || Jack Meyer (1–3) || None || 22,420 || 9–13 |- style="background:#fbb" | 23 || May 7 || Dodgers || 3–6 || Carl Erskine (5–0) || Robin Roberts (3–3) || None || 27,922 || 9–14 |- style="background:#fbb" | 24 || May 8 || Dodgers || 8–9 || Johnny Podres (3–1) || Herm Wehmeier (2–2) || Jim Hughes (4) || 13,738 || 9–15 |- style="background:#fbb" | 25 || May 10 || @ Cardinals || 3–5 (10) || Luis Arroyo (2–0) || Jack Meyer (1–4) || None || 4,693 || 9–16 |- style="background:#fbb" | 26 || May 11 || @ Cardinals || 5–6 || Herb Moford (1–0) || Ron Mrozinski (0–2) || Barney Schultz (1) || 4,726 || 9–17 |- style="background:#bbb" | – || May 12 || @ Redlegs || colspan=6 | Postponed (rain); Makeup: June 24 as a traditional double-header |- style="background:#bbb" | – || May 13 || @ Redlegs || colspan=6 | Postponed (rain, threatening weather, wet grounds); Makeup: August 2 as a traditional double-header |- style="background:#fbb" | 27 || May 14 || @ Braves || 4–5 || Ernie Johnson (1–1) || Jack Meyer (1–5) || None || 24,862 || 9–18 |- style="background:#fbb" | 28 || May 15 (1) || @ Braves || 5–6 || Dave Jolly (1–2) || Thornton Kipper (0–1) || None || see 2nd game || 9–19 |- style="background:#bfb" | 29 || May 15 (2) || @ Braves || 9–1 || Robin Roberts (4–3) || Chet Nichols (3–1) || None || 42,351 || 10–19 |- style="background:#bbb" | – || May 17 || @ Cubs || colspan=6 | Postponed (cold); Makeup: May 18 as a traditional double-header |- style="background:#fbb" | 30 ||