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 Rd8 win in 3 half-moves
3 Kbb6 win in 5 half-moves
4 Kcb6 win in 5 half-moves
5 Kcc6 win in 5 half-moves
6 Kd5 win in 5 half-moves
7 Kd6 win in 5 half-moves
8 Rb7 win in 5 half-moves
9 Rc8 win in 5 half-moves
10 Re8 win in 9 half-moves
11 Rf8 win in 9 half-moves
12 Rh8 win in 9 half-moves
13 Rg8 draw
14 Ka4 loss in 2 half-moves
15 Ka5 loss in 2 half-moves
16 Ka6 loss in 2 half-moves
17 Kbb4 loss in 2 half-moves
18 Kbc4 loss in 2 half-moves
19 Kbc6 loss in 2 half-moves
20 Kcb4 loss in 2 half-moves
21 Kcc4 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Ra8 loss in 2 half-moves