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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rd7 win in 1 half-moves
3 Re7 win in 1 half-moves
4 Rf7 win in 1 half-moves
5 Rg7 win in 1 half-moves
6 Ka4 loss in 2 half-moves
7 Ka6 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kb5 loss in 1 half-moves
11 Ra6 loss in 1 half-moves
12 Ra8 loss in 1 half-moves
13 Rc7 loss in 1 half-moves
14 Rh7 loss in 1 half-moves