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

EGTB: win in 4 half-moves

# move score
1 R4a6 win in 3 half-moves
2 Ra2 win in 3 half-moves
3 Rf8 win in 3 half-moves
4 Ke4 win in 5 half-moves
5 Re8 win in 5 half-moves
6 Ke5 win in 13 half-moves
7 Kc4 win in 15 half-moves
8 Rd8 win in 15 half-moves
9 Rb4 win in 17 half-moves
10 Rb8 win in 17 half-moves
11 Rc4 win in 17 half-moves
12 Rc8 win in 17 half-moves
13 Kd5 win in 19 half-moves
14 Kc3 win in 21 half-moves
15 Kc5 win in 21 half-moves
16 Kd3 win in 21 half-moves
17 Ke3 win in 21 half-moves
18 R4a5 loss in 2 half-moves
19 R4a7 loss in 2 half-moves
20 R8a5 loss in 2 half-moves
21 R8a6 loss in 2 half-moves
22 R8a7 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh8 loss in 2 half-moves