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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rg2 win in 7 half-moves
3 Rg8 win in 7 half-moves
4 Ke1 draw
5 Ke2 draw
6 Kf1 draw
7 Kf3 draw
8 Kfg3 draw
9 Kg1 draw
10 Kg2 draw
11 Kg4 draw
12 Kg5 draw
13 Kh3 draw
14 Kh5 draw
15 Khg3 draw
16 Ra7 draw
17 Re7 draw
18 Rf7 draw
19 Rg3 draw
20 Rh7 draw
21 Ke3 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rg6 loss in 2 half-moves