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

EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Rg1 win in 5 half-moves
4 Rg2 win in 5 half-moves
5 Ke6 draw
6 Kf6 draw
7 Kg6 draw
8 Ra3 draw
9 Rb3 draw
10 Rg6 draw
11 Rh3 draw
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Ke8 loss in 2 half-moves
19 Kf8 loss in 2 half-moves
20 Kg7 loss in 2 half-moves
21 Kg8 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rg5 loss in 2 half-moves