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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Rc4 draw
3 Rc5 draw
4 Rc6 draw
5 Rc7 draw
6 Rd8 draw
7 Re8 draw
8 K7f7 loss in 2 half-moves
9 K7f8 loss in 2 half-moves
10 K7h7 loss in 2 half-moves
11 K7h8 loss in 2 half-moves
12 K8f7 loss in 2 half-moves
13 K8f8 loss in 2 half-moves
14 K8h7 loss in 2 half-moves
15 K8h8 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Kh6 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Rc3 loss in 2 half-moves