22 || Giants || 1–3 || Gaylord Perry (2–4) || Jim Bunning (3–5) || None || 9,341 || 15–19 |- style="background:#fbb" | 35 || May 23 || Giants || 4–5 (11) || Frank Linzy (3–1) || Turk Farrell (3–2) || Bill Henry (2) || 9,920 || 15–20 |- style="background:#bbb" | – || May 24 || Giants || colspan=6 | Postponed (rain); Makeup: June 30 as a traditional double-header |- style="background:#bfb" | 36 || May 26 || Cardinals || 7–4 || Dick Hall (2–2) || Ron Willis (1–1) || Turk Farrell (1) || 15,365 || 16–20 |- style="background:#fbb" | 37 || May 27 || Cardinals || 4–11 || Larry Jaster (3–1) || Grant Jackson (2–3) || Nelson Briles (1) || 6,351 || 16–21 |- style="background:#fbb" | 38 || May 28 || Cardinals || 3–8 || Steve Carlton (3–1) || Larry Jackson (2–5) || None || 11,250 || 16–22 |- style="background:#fbb" | 39 || May 29 || @ Giants || 9–12 || Joe Gibbon (1–0) || Dick Ellsworth (1–3) || Lindy McDaniel (1) || 6,875 || 16–23 |- style="background:#bfb" | 40 || May 30 || @ Giants || 5–4 || Jim Bunning (4–5) || Juan Marichal (8–4) || None || 26,981 || 17–23 |- style="background:#bfb" | 41 || May 31 || @ Dodgers || 6–0 (11) || Dick Hall (3–2) || Don Drysdale (5–4) || None || 16,044 || 18–23 |- |- style="background:#bfb" | 42 || June 1 || @ Dodgers || 6–1 || Larry Jackson (3–5) || Claude Osteen (6–5) || None || 16,597 || 19–23 |- style="background:#bfb" | 43 || June 2 || @ Astros || 5–3 || Dick Ellsworth (2–3) || Chris Zachary (0–6) || Turk Farrell (2) || 12,794 || 20–23 |- style="background:#bfb" | 44 || June 3 || @ Astros || 4–2 || Jim Bunning (5–5) || Larry Dierker (5–3) || None || 20,930 || 21–23 |- style="background:#bfb" | 45 || June 4 || @ Astros || 6–1 || Turk Farrell (4–2) || Dan Schneider (0–1) || Dick Hall (3) || 25,836 || 22–23 |- style="background:#fbb" | 46 || June 5 || Cubs || 3–13 || Bob Hendley (2–0) || Larry Jackson (3–6) || Cal Koonce (2) || 5,865 || 22–24 |- style="background:#bfb" | 47 || June 6 (1) || Cubs || 8–6 || Dick Hall (4–2) || Chuck Hartenstein (0–1) || None || see 2nd game || 23–24 |- style="background:#bfb" | 48 || June 6 (2)