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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Rc8 win in 1 half-moves
3 Rf4 win in 1 half-moves
4 Rg8 win in 1 half-moves
5 Rb8 loss in 2 half-moves
6 Rd8 loss in 2 half-moves
7 Re8 loss in 2 half-moves
8 Rf1 loss in 2 half-moves
9 Rf2 loss in 2 half-moves
10 Rf3 loss in 2 half-moves
11 Rf5 loss in 2 half-moves
12 Rf6 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rh8 loss in 2 half-moves