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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kg7 loss in 20 half-moves
3 Kg8 loss in 20 half-moves
4 Rf7 loss in 20 half-moves
5 Rg7 loss in 14 half-moves
6 Kh7 loss in 12 half-moves
7 Re8 loss in 12 half-moves
8 Rh7 loss in 10 half-moves
9 Re6 loss in 4 half-moves
10 Rb7 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Re1 loss in 2 half-moves
14 Re2 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Re5 loss in 2 half-moves