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

EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Rg3 win in 3 half-moves
3 Kh3 win in 7 half-moves
4 Rg1 win in 7 half-moves
5 Rg7 win in 7 half-moves
6 Ke2 win in 11 half-moves
7 Ke1 draw
8 Kf2 draw
9 Kfg1 draw
10 Kfg2 draw
11 Kg3 draw
12 Kh1 draw
13 Khg1 draw
14 Khg2 draw
15 Ra8 draw
16 Rf8 draw
17 Rh8 draw
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rg6 loss in 2 half-moves