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

EGTB: win in 4 half-moves

# move score
1 Ka2 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Rb5 win in 3 half-moves
4 Kb2 win in 5 half-moves
5 Kaa4 draw
6 Kab3 draw
7 Kbb3 draw
8 Ra6 draw
9 Rb7 draw
10 Rb8 draw
11 Rd6 draw
12 Ka5 loss in 2 half-moves
13 Kba4 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves