KIA defeated Samsung 4-2 in Game 4 to tie the playoff series at two wins apiece and force a decisive fifth game. Starting pitcher James Nail worked five innings on three days of rest, allowing one run over 82 pitches. KIA turned a Samsung error into a three-run seventh inning, with Han Jun-su delivering the go-ahead hit while Kim Do-yeong added two hits and two runs.

KIA will start Adam Oller against Samsung starter Fuentes in the final game on November 1 in Daegu.