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

EGTB: win in 9 half-moves

# move score
1 Ra7 win in 8 half-moves
2 Rb7 win in 8 half-moves
3 Rc7 win in 12 half-moves
4 Rd8 win in 12 half-moves
5 Rd1 loss in 2 half-moves
6 Rd2 loss in 2 half-moves
7 Rd3 loss in 2 half-moves
8 Rd4 loss in 2 half-moves
9 Rd5 loss in 2 half-moves
10 Rd6 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Rf7 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rh7 loss in 2 half-moves