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 Ra5 win in 3 half-moves
8 Ra7 win in 3 half-moves
9 Kb6 win in 7 half-moves
10 Rb6 win in 7 half-moves
11 Ra8 win in 15 half-moves
12 Kc8 draw
13 Kd6 draw
14 Kdc7 draw
15 Kdd7 draw
16 Ke7 draw
17 Ke8 draw
18 Ra3 draw
19 Ra4 draw
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves