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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kc5 win in 3 half-moves
4 Kcc7 win in 3 half-moves
5 Kcd7 win in 3 half-moves
6 Kd5 win in 3 half-moves
7 Rb5 win in 3 half-moves
8 Rb7 win in 3 half-moves
9 Kc8 win in 7 half-moves
10 Kdc7 win in 7 half-moves
11 Kdd7 win in 7 half-moves
12 Ke7 win in 7 half-moves
13 Ke8 win in 7 half-moves
14 Rb8 win in 7 half-moves
15 Kd6 draw
16 Ra6 draw
17 Rb4 draw
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves