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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb6 win in 9 half-moves
3 Ka4 draw
4 Ka6 draw
5 Kb4 draw
6 Kb5 draw
7 Kd8 draw
8 Ra8 draw
9 Rb1 draw
10 Rb2 draw
11 Rb3 draw
12 Rb7 draw
13 Kc7 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves