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

EGTB: win in 2 half-moves

# move score
1 Kg6 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Re6 win in 1 half-moves
4 Re7 draw
5 Re8 draw
6 Kd3 loss in 2 half-moves
7 Kd4 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Ke3 loss in 2 half-moves
10 Kf3 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kh4 loss in 2 half-moves
16 Kh6 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rg5 loss in 2 half-moves