| 36 || May 20 || Giants || 2–1 || Steve Carlton (1–3) || Vida Blue (2–1) || Kent Tekulve (1) || 20,634 || 14–22 |- style="background:#bfb" | 37 || May 21 || Giants || 6–5 || Shane Rawley (4–3) || Atlee Hammaker (0–4) || Kent Tekulve (2) || 18,583 || 15–22 |- style="background:#fbb" | 38 || May 22 || Giants || 2–6 || Dave LaPoint (2–5) || Kevin Gross (3–5) || Scott Garrelts (4) || 18,804 || 15–23 |- style="background:#fbb" | 39 || May 24 || Padres || 0–1 || Dave Dravecky (4–2) || John Denny (1–5) || Rich Gossage (12) || 20,262 || 15–24 |- style="background:#fbb" | 40 || May 25 || Padres || 1–4 || Andy Hawkins (9–0) || Charles Hudson (1–4) || None || 20,539 || 15–25 |- style="background:#fbb" | 41 || May 26 || Padres || 2–7 || LaMarr Hoyt (4–4) || Steve Carlton (1–4) || Rich Gossage (13) || 40,182 || 15–26 |- style="background:#bfb" | 42 || May 27 || Padres || 10–9 || Kent Tekulve (3–1) || Craig Lefferts (1–1) || None || 27,283 || 16–26 |- style="background:#fbb" | 43 || May 29 || @ Dodgers || 1–6 || Orel Hershiser (5–0) || Kevin Gross (3–6) || None || 36,422 || 16–27 |- style="background:#bfb" | 44 || May 30 || @ Dodgers || 6–1 || John Denny (2–5) || Fernando Valenzuela (5–5) || None || 29,591 || 17–27 |- style="background:#fbb" | 45 || May 31 || @ Giants || 3–4 || Mike Krukow (4–3) || Charles Hudson (1–5) || Mark Davis (1) || 7,755 || 17–28 |- |- style="background:#fbb" | 46 || June 1 || @ Giants || 1–2 || Atlee Hammaker (2–4) || Steve Carlton (1–5) || Greg Minton (1) || 21,313 || 17–29 |- style="background:#fbb" | 47 || June 2 || @ Giants || 1–3 || Vida Blue (3–1) || Shane Rawley (4–4) || Mark Davis (2) || 13,799 || 17–30 |- style="background:#bfb" | 48 || June 3 || @ Padres || 3–2 || Kevin Gross (4–6) || Dave Dravecky (4–3) || Kent Tekulve (3) || 17,740 || 18–30 |- style="background:#fbb" | 49 || June 4 || @ Padres || 5–6 || Craig Lefferts (2–2) || Kent Tekulve (3–2) || None || 25,141 || 18–31 |- style="background:#fbb" | 50 || June 5 || @ Padres || 1–3 || LaMarr Hoyt (6–4) || Charles Hudson (1–6) || None || 30,352 || 18–32