|| Jocko Thompson (2–3) || None || 4,093 || 23–27 |- style="background:#bbb" | – || June 10 (1) || Reds || colspan=6 | Postponed (rain); Makeup: July 18 as a traditional double-header |- style="background:#bbb" | – || June 10 (2) || Reds || colspan=6 | Postponed (rain); Makeup: August 27 as a traditional double-header |- style="background:#bfb" | 51 || June 12 || @ Cubs || 6–5 || Milo Candini (1–0) || Frank Hiller (4–5) || Jim Konstanty (5) || 9,289 || 24–27 |- style="background:#bfb" | 52 || June 13 || @ Cubs || 5–0 || Robin Roberts (7–5) || Johnny Klippstein (3–3) || None || 7,889 || 25–27 |- style="background:#bfb" | 53 || June 14 || @ Cubs || 11–3 || Russ Meyer (4–4) || Bob Rush (4–3) || None || 6,896 || 26–27 |- style="background:#fbb" | 54 || June 15 || @ Cardinals || 2–10 || Max Lanier (3–5) || Ken Heintzelman (2–6) || Cloyd Boyer (1) || 9,320 || 26–28 |- style="background:#fbb" | 55 || June 16 || @ Cardinals || 5–6 || Al Brazle (1–0) || Jocko Thompson (2–4) || Tom Poholsky (1) || 12,932 || 26–29 |- style="background:#fbb" | 56 || June 17 || @ Cardinals || 4–5 (10) || Gerry Staley (8–6) || Russ Meyer (4–5) || None || 22,751 || 26–30 |- style="background:#bfb" | 57 || June 19 || @ Pirates || 9–2 || Russ Meyer (5–5) || Murry Dickson (8–7) || None || 16,601 || 27–30 |- style="background:#bfb" | 58 || June 20 || @ Pirates || 1–0 || Bubba Church (7–3) || Bob Friend (1–4) || None || 12,751 || 28–30 |- style="background:#bfb" | 59 || June 21 || @ Pirates || 10–5 || Robin Roberts (8–5) || Paul LaPalme (1–4) || None || 5,682 || 29–30 |- style="background:#fbb" | 60 || June 22 || @ Reds || 2–3 || Harry Perkowski (2–1) || Jocko Thompson (2–5) || Frank Smith (6) || 8,973 || 29–31 |- style="background:#fbb" | 61 || June 23 || @ Reds || 1–8 || Willie Ramsdell (5–7) || Ken Heintzelman (2–7) || Frank Smith (7) || 4,343 || 29–32 |- style="background:#fbb" | 62 || June 24 (1) || @ Reds || 1–3 || Ken Raffensberger (7–7) || Robin Roberts (8–6) || None || see 2nd game || 29–33 |- style="background:#bfb" | 63 || June 24 (2) || @ Reds || 4–2 || Ken Heintzelman (3–7) || Frank Smith