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

EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Rd4 win in 3 half-moves
3 Rd7 win in 3 half-moves
4 Rd8 win in 3 half-moves
5 f6 loss in 2 half-moves
6 Ra6 loss in 2 half-moves
7 Rc6 loss in 2 half-moves
8 Rd2 loss in 2 half-moves
9 Rd3 loss in 2 half-moves
10 Rd5 loss in 2 half-moves
11 Re6 loss in 2 half-moves
12 Rf6 loss in 2 half-moves
13 Rg6 loss in 2 half-moves
14 Rh6 loss in 2 half-moves
15 Rb6 loss in 1 half-moves