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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Rd1 win in 5 half-moves
3 Rf8 win in 5 half-moves
4 Kf1 draw
5 Kf2 draw
6 Kf3 draw
7 Kgg1 draw
8 Kgg3 draw
9 Kgh1 draw
10 Kgh3 draw
11 Khg1 draw
12 Khg3 draw
13 Khh1 draw
14 Khh3 draw
15 Rc8 draw
16 Rd2 draw
17 Rd6 draw
18 Rd7 draw
19 Re8 draw
20 Rg8 draw
21 Ra8 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Rd5 loss in 2 half-moves