|| None || 31,209 || 58–53 |- style="background:#bfb" | 112 || August 10 || @ Astros || 2–0 || Jim Bunning (14–7) || Bob Bruce (7–15) || None || 24,533 || 59–53 |- style="background:#bfb" | 113 || August 11 || @ Astros || 5–1 || Ray Culp (8–8) || Danny Coombs (0–1) || None || 28,224 || 60–53 |- style="background:#bfb" | 114 || August 12 || @ Astros || 7–3 || Chris Short (13–8) || Turk Farrell (8–7) || Ed Roebuck (3) || 22,011 || 61–53 |- style="background:#bfb" | 115 || August 13 || @ Giants || 3–2 || Bo Belinsky (4–8) || Warren Spahn (5–14) || Gary Wagner (6) || 24,275 || 62–53 |- style="background:#bfb" | 116 || August 14 || @ Giants || 4–2 || Jim Bunning (15–7) || Juan Marichal (18–9) || Jack Baldschun (6) || 23,087 || 63–53 |- style="background:#fbb" | 117 || August 15 || @ Giants || 9–15 || Bill Henry (3–1) || Ray Culp (8–9) || Jack Sanford (2) || 26,931 || 63–54 |- style="background:#bfb" | 118 || August 16 || @ Dodgers || 6–1 || Chris Short (14–8) || Johnny Podres (4–6) || None || 22,611 || 64–54 |- style="background:#fbb" | 119 || August 17 || @ Dodgers || 2–4 || Claude Osteen (11–11) || Ray Herbert (5–6) || Ron Perranoski (10) || 23,144 || 64–55 |- style="background:#bfb" | 120 || August 18 || @ Dodgers || 6–3 (12) || Gary Wagner (5–3) || Jim Brewer (2–2) || None || 38,267 || 65–55 |- style="background:#fbb" | 121 || August 20 || Reds || 2–3 (10) || Sammy Ellis (16–7) || Gary Wagner (5–4) || None || 28,709 || 65–56 |- style="background:#fbb" | 122 || August 21 || Reds || 1–2 (11) || Joe Nuxhall (10–3) || Jack Baldschun (5–4) || Billy McCool (15) || 10,000 || 65–57 |- style="background:#bfb" | 123 || August 22 || Reds || 6–5 || Jim Bunning (16–7) || Roger Craig (0–4) || Gary Wagner (7) || 8,431 || 66–57 |- style="background:#fbb" | 124 || August 24 || Astros || 3–4 || Don Nottebart (4–11) || Gary Wagner (5–5) || None || 13,863 || 66–58 |- style="background:#fbb" | 125 || August 25 || Astros || 6–7 || Ron Taylor (3–5) || Jack Baldschun (5–5) || Jim Owens (6) || 11,066 || 66–59 |- style="background:#fbb" | 126 || August 26 || Astros || 4–6 || Dave Giusti (7–5) ||