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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Ka5 win in 5 half-moves
3 Kb5 win in 5 half-moves
4 Kc5 win in 5 half-moves
5 Rd8 win in 5 half-moves
6 Ka8 win in 7 half-moves
7 Kab7 win in 7 half-moves
8 Kba6 win in 7 half-moves
9 Kbb7 win in 7 half-moves
10 Kc6 win in 7 half-moves
11 Ra8 win in 7 half-moves
12 Re8 win in 7 half-moves
13 Kc7 win in 9 half-moves
14 Kaa6 draw
15 Kb8 draw
16 Rb8 draw
17 Rf2 draw
18 Rf7 draw
19 Rf1 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves