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 Kg5 win in 5 half-moves
3 Rh8 win in 5 half-moves
4 Kg7 win in 13 half-moves
5 Ke6 draw
6 Ke7 draw
7 Ke8 draw
8 Kf6 draw
9 Kf8 draw
10 Kg3 draw
11 Kg4 draw
12 Kg6 draw
13 Kg8 draw
14 Kh3 draw
15 Kh5 draw
16 Rc1 draw
17 Rc2 draw
18 Rc3 draw
19 Rc4 draw
20 Rd8 draw
21 Re8 draw
22 Rf8 draw
23 Ra8 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc5 loss in 2 half-moves
26 Rc6 loss in 2 half-moves
27 Rc7 loss in 2 half-moves