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

EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Rg6 win in 7 half-moves
3 Rg7 win in 7 half-moves
4 Rg8 win in 7 half-moves
5 K6e7 draw
6 K6f7 draw
7 K6g7 draw
8 K8e7 draw
9 K8f7 draw
10 K8g7 draw
11 Ke6 draw
12 Ke8 draw
13 Kg5 draw
14 Kg6 draw
15 Kg8 draw
16 Rb1 draw
17 Rf1 draw
18 Rh1 draw
19 Ke5 loss in 2 half-moves
20 Kf5 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg4 loss in 2 half-moves