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 Rh8 win in 3 half-moves
3 Kf1 draw
4 Kf5 draw
5 Kf6 draw
6 Kf7 draw
7 Kg2 draw
8 Kg5 draw
9 Kg7 draw
10 Kh1 draw
11 Kh2 draw
12 Kh5 draw
13 Kh6 draw
14 Kh7 draw
15 Rc1 draw
16 Rc2 draw
17 Rc3 draw
18 Rc7 draw
19 Rd8 draw
20 Re8 draw
21 Rg8 draw
22 Kf2 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Rc5 loss in 2 half-moves
27 Rc6 loss in 2 half-moves