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

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Ra7 draw
3 Rd1 draw
4 Rd4 draw
5 Rd5 draw
6 Rd6 draw
7 Re7 draw
8 Kf6 loss in 2 half-moves
9 Kf7 loss in 2 half-moves
10 Kf8 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Kgg8 loss in 2 half-moves
13 Kgh7 loss in 2 half-moves
14 Kh6 loss in 2 half-moves
15 Khg8 loss in 2 half-moves
16 Khh7 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rd8 loss in 2 half-moves