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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Ra5 win in 3 half-moves
4 Ra7 win in 3 half-moves
5 Kab5 win in 7 half-moves
6 Kb4 win in 7 half-moves
7 Rb8 win in 7 half-moves
8 Ra6 win in 9 half-moves
9 Kd7 win in 15 half-moves
10 Ka3 draw
11 Ka5 draw
12 Kb3 draw
13 Kb6 draw
14 Kc5 draw
15 Kcb5 draw
16 Kd5 draw
17 Kd6 draw
18 Rc8 draw
19 Rh8 draw
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves