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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kc5 win in 3 half-moves
3 Ra5 win in 3 half-moves
4 Ka2 win in 7 half-moves
5 Kab3 win in 7 half-moves
6 Kab4 win in 7 half-moves
7 Kb2 win in 7 half-moves
8 Ra4 win in 7 half-moves
9 Rb6 win in 7 half-moves
10 Kd5 win in 11 half-moves
11 Ra7 win in 11 half-moves
12 Ra8 win in 11 half-moves
13 Ka4 draw
14 Kc3 draw
15 Kcb3 draw
16 Kcb4 draw
17 Rc6 draw
18 Rd6 draw
19 Rh6 draw
20 Kd3 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rg6 loss in 2 half-moves