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 9 half-moves
3 Rg8 win in 9 half-moves
4 Ra2 draw
5 Rb2 draw
6 Rc2 draw
7 Rg3 draw
8 Rg4 draw
9 Rg7 draw
10 Rh2 draw
11 Kd5 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Kf8 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 K6d7 loss in 1 half-moves
23 K6e7 loss in 1 half-moves
24 K6f7 loss in 1 half-moves
25 K8d7 loss in 1 half-moves
26 K8e7 loss in 1 half-moves
27 K8f7 loss in 1 half-moves