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

EGTB: win in 12 half-moves

# move score
1 Kb7 win in 11 half-moves
2 Ka7 draw
3 Kb8 draw
4 Kc1 draw
5 Kc2 draw
6 Kc3 draw
7 Kd1 draw
8 Kd3 draw
9 Ke1 draw
10 Ke2 draw
11 Ke3 draw
12 Ra2 draw
13 Rb1 draw
14 Rb3 draw
15 Rb4 draw
16 Rb8 draw
17 Rc2 draw
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves