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

EGTB: draw

# move score
1 Ka7 draw
2 Kb7 draw
3 Kb8 draw
4 Kc2 draw
5 Kc3 draw
6 Kc4 draw
7 Kd2 draw
8 Ke2 draw
9 Ke3 draw
10 Ke4 draw
11 Ra3 draw
12 Rb1 draw
13 Rb2 draw
14 Rb4 draw
15 Rb5 draw
16 Rb6 draw
17 Rc3 draw
18 Kd4 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves