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

EGTB: win in 10 half-moves

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