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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Rf8 win in 3 half-moves
3 R8a4 win in 5 half-moves
4 R3a4 win in 7 half-moves
5 Rb3 win in 17 half-moves
6 Rb8 win in 17 half-moves
7 Rc3 win in 17 half-moves
8 Rc8 win in 17 half-moves
9 Rd8 win in 17 half-moves
10 Re8 win in 17 half-moves
11 Kc3 win in 21 half-moves
12 Ke3 win in 21 half-moves
13 Kc2 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 R3a5 loss in 2 half-moves
20 R3a6 loss in 2 half-moves
21 R3a7 loss in 2 half-moves
22 R8a5 loss in 2 half-moves
23 R8a6 loss in 2 half-moves
24 R8a7 loss in 2 half-moves
25 Ra1 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves