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