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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Ra5 win in 3 half-moves
3 Kab3 win in 5 half-moves
4 Kc4 win in 7 half-moves
5 Ka2 draw
6 Kaa4 draw
7 Kb2 draw
8 Kba4 draw
9 Kbb3 draw
10 Kc3 draw
11 Ra4 draw
12 Re6 draw
13 Rf6 draw
14 Rg6 draw
15 Rh6 draw
16 Kb5 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Rd6 loss in 2 half-moves