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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Rd1 win in 5 half-moves
4 Rd2 win in 5 half-moves
5 Rf8 win in 5 half-moves
6 Kf1 draw
7 Kf2 draw
8 Kf3 draw
9 Kg3 draw
10 Kgg1 draw
11 Kgh2 draw
12 Kh3 draw
13 Khg1 draw
14 Khh2 draw
15 Rc8 draw
16 Rd6 draw
17 Rd7 draw
18 Re8 draw
19 Ra8 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Rd5 loss in 2 half-moves