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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Rb1 win in 3 half-moves
5 Rcd1 win in 3 half-moves
6 Re7 win in 3 half-moves
7 Re8 win in 3 half-moves
8 Red1 win in 3 half-moves
9 Kc4 win in 5 half-moves
10 Kd5 win in 5 half-moves
11 Rc2 win in 5 half-moves
12 Rc3 win in 5 half-moves
13 Re2 win in 5 half-moves
14 Re3 win in 5 half-moves
15 Rf1 win in 7 half-moves
16 Kb4 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rh1 loss in 2 half-moves
25 Kc6 loss in 1 half-moves