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

EGTB: win in 10 half-moves

# move score
1 Kb4 win in 9 half-moves
2 Ka4 win in 13 half-moves
3 Ka6 draw
4 Kb2 draw
5 Kc2 draw
6 Kd1 draw
7 Kd2 draw
8 Ra1 draw
9 Rb2 draw
10 Rb3 draw
11 Rb4 draw
12 Rb5 draw
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves