Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 Kb4 draw
2 Kb5 draw
3 Kb6 draw
4 Kc4 draw
5 Kc6 draw
6 Kd4 draw
7 Kd5 draw
8 Kd6 draw
9 Rd5 draw
10 Re1 draw
11 Re2 draw
12 Re3 draw
13 Re4 draw
14 Re6 draw
15 Re8 draw
16 Rf5 draw
17 Rh5 draw
18 Re7 loss in 2 half-moves
19 Rg5 loss in 2 half-moves