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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rh7 loss in 4 half-moves
3 Ka2 loss in 2 half-moves
4 Kb1 loss in 2 half-moves
5 Kb2 loss in 2 half-moves
6 Ra7 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 Rd5 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rd4 loss in 1 half-moves
16 Rd6 loss in 1 half-moves
17 Re7 loss in 1 half-moves