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 Kgg5 draw
3 Kgh5 draw
4 Kgh7 draw
5 Khg5 draw
6 Khh5 draw
7 Khh7 draw
8 Ra7 draw
9 Rg8 draw
10 Rh7 draw
11 Kf5 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rf7 loss in 2 half-moves