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

EGTB: win in 4 half-moves

# move score
1 Kab6 win in 3 half-moves
2 Kb7 win in 7 half-moves
3 Rc8 win in 7 half-moves
4 Rh8 win in 9 half-moves
5 Ka4 win in 11 half-moves
6 Kd8 win in 11 half-moves
7 Ka6 win in 17 half-moves
8 Kb4 draw
9 Kb5 draw
10 Kb8 draw
11 Kc8 draw
12 Kcb6 draw
13 Kd7 draw
14 Ra6 draw
15 Ra7 draw
16 Rb8 draw
17 Rg8 draw
18 Kc6 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves