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 Kf8 draw
3 Kg8 draw
4 Kh7 draw
5 Kh8 draw
6 Rf6 draw
7 Rf8 draw
8 Kf6 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kh6 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf1 loss in 1 half-moves
19 Rf2 loss in 1 half-moves