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 Kc7 loss in 8 half-moves
3 Kc8 loss in 2 half-moves
4 Ke7 loss in 2 half-moves
5 Ke8 loss in 2 half-moves
6 Rb7 loss in 2 half-moves
7 Rc7 loss in 2 half-moves
8 Rd1 loss in 2 half-moves
9 Rd2 loss in 2 half-moves
10 Rd3 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Rd5 loss in 2 half-moves
13 Rd6 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves