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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Rd6 win in 3 half-moves
4 Rd8 win in 3 half-moves
5 R6a7 loss in 4 half-moves
6 R8a7 loss in 4 half-moves
7 Nb3 loss in 2 half-moves
8 Nb7 loss in 2 half-moves
9 Nc4 loss in 2 half-moves
10 Nc6 loss in 2 half-moves
11 Rc6 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves
20 Rh6 loss in 1 half-moves