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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Kbb5 win in 5 half-moves
3 Kcc5 win in 5 half-moves
4 Rb6 win in 5 half-moves
5 Rb7 win in 5 half-moves
6 Rc8 win in 5 half-moves
7 Kcb5 win in 7 half-moves
8 Kd5 win in 11 half-moves
9 Kd4 draw
10 Rf8 draw
11 Ka3 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Ka5 loss in 2 half-moves
14 Kbb3 loss in 2 half-moves
15 Kbc3 loss in 2 half-moves
16 Kbc5 loss in 2 half-moves
17 Kcb3 loss in 2 half-moves
18 Kcc3 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves