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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Kf6 draw
3 Kf8 draw
4 Kg7 draw
5 Kg8 draw
6 Rf6 draw
7 Rg7 draw
8 Rg8 draw
9 Ke7 loss in 4 half-moves
10 Ke8 loss in 4 half-moves
11 Ra6 loss in 4 half-moves
12 Re6 loss in 4 half-moves
13 Rh6 loss in 4 half-moves
14 Ke6 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg5 loss in 2 half-moves