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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Kc5 win in 7 half-moves
5 Kd5 win in 7 half-moves
6 Ra7 win in 7 half-moves
7 Kb5 win in 11 half-moves
8 Ra8 win in 15 half-moves
9 Kc8 draw
10 Kcc7 draw
11 Kcd7 draw
12 Kd6 draw
13 Kdc7 draw
14 Kdd7 draw
15 Ke7 draw
16 Ke8 draw
17 Ra1 draw
18 Ra5 draw
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves