1999 – In the first game of a doubleheader, the Expos defeat the Rockies, 14 – 13, after the score is tied at one apiece after four innings. Each team scores five runs in the 5th, then Montreal scores six and Colorado five in the 6th. The Expos finally win the game by scoring a run in the 10th inning. Montreal also takes the second game by an 8 – 6 count.

On August 13, 1999 — 1999 – In the first game of a doubleheader, the Expos defeat the Rockies, 14 – 13, after the score is tied at one apiece after four innings. Each team scores five runs in the 5th, then Montreal scores six and Colorado five in the 6th. The Expos finally win the game by scoring a run in the 10th inning. Montreal also takes the second game by an 8 – 6 count.

Source:
Baseball Reference August 13
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game