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 Kb7 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Ra7 win in 3 half-moves
5 Kab5 win in 5 half-moves
6 Ra6 win in 7 half-moves
7 Kaa6 win in 9 half-moves
8 Kb4 win in 9 half-moves
9 Kc6 win in 9 half-moves
10 Ka4 win in 11 half-moves
11 Kc5 win in 11 half-moves
12 Kba6 draw
13 Kbb5 draw
14 Rb8 draw
15 Rg8 draw
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves