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

EGTB: win in 4 half-moves

# move score
1 Kab5 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 Ka7 win in 5 half-moves
4 Kb4 win in 5 half-moves
5 Kb7 win in 5 half-moves
6 Kc7 win in 5 half-moves
7 Ra7 win in 5 half-moves
8 Rc8 win in 5 half-moves
9 Kc6 win in 15 half-moves
10 Ka3 win in 19 half-moves
11 Ka6 draw
12 Kaa5 draw
13 Kba5 draw
14 Kbb5 draw
15 Kc5 draw
16 Ra6 draw
17 Rb8 draw
18 Rd8 draw
19 Re8 draw
20 Ra5 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves