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

EGTB: win in 4 half-moves

# move score
1 Ka7 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kb7 win in 3 half-moves
5 Kc7 win in 3 half-moves
6 Rb8 win in 5 half-moves
7 Rc8 win in 5 half-moves
8 Ka5 win in 9 half-moves
9 Ra7 win in 9 half-moves
10 Kc8 win in 17 half-moves
11 Kd8 win in 17 half-moves
12 Ke8 win in 19 half-moves
13 Ke7 win in 23 half-moves
14 Kc6 draw
15 Kd6 draw
16 Ke6 draw
17 Rd8 draw
18 Rh8 draw
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves