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

EGTB: win in 6 half-moves

# move score
1 Rb4 win in 5 half-moves
2 Re8 win in 5 half-moves
3 Kd6 win in 7 half-moves
4 Rb7 win in 7 half-moves
5 Kd5 win in 9 half-moves
6 Kc5 win in 11 half-moves
7 Ra8 win in 11 half-moves
8 Rb5 win in 11 half-moves
9 Rb6 win in 11 half-moves
10 Rc8 win in 11 half-moves
11 Rd8 win in 11 half-moves
12 Kb5 win in 13 half-moves
13 Kd7 win in 13 half-moves
14 Kb6 win in 15 half-moves
15 Kc7 win in 15 half-moves
16 Kb7 win in 19 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves