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

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Rf8 win in 3 half-moves
3 Rb4 win in 7 half-moves
4 Rb8 win in 7 half-moves
5 Rc4 win in 7 half-moves
6 Rc8 win in 7 half-moves
7 Rd4 win in 7 half-moves
8 Rd8 win in 7 half-moves
9 Re4 win in 7 half-moves
10 Re8 win in 7 half-moves
11 Ra3 win in 9 half-moves
12 Ra1 win in 11 half-moves
13 Ra2 win in 11 half-moves
14 R4a5 loss in 2 half-moves
15 R4a6 loss in 2 half-moves
16 R4a7 loss in 2 half-moves
17 R8a5 loss in 2 half-moves
18 R8a6 loss in 2 half-moves
19 R8a7 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh4 loss in 2 half-moves
23 Rh8 loss in 2 half-moves