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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Kb6 win in 7 half-moves
3 Kd6 win in 7 half-moves
4 Kdc6 win in 7 half-moves
5 Rd8 win in 7 half-moves
6 Kdc5 win in 9 half-moves
7 Ke5 draw
8 Ke6 draw
9 Rb7 draw
10 Rf8 draw
11 Ka4 loss in 2 half-moves
12 Ka5 loss in 2 half-moves
13 Ka6 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kbc4 loss in 2 half-moves
16 Kbc5 loss in 2 half-moves
17 Kbc6 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kdc4 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves