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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Rb8 draw
3 Kc1 loss in 2 half-moves
4 Kc2 loss in 2 half-moves
5 Kc3 loss in 2 half-moves
6 Kd1 loss in 2 half-moves
7 Kd3 loss in 2 half-moves
8 Kde1 loss in 2 half-moves
9 Kde2 loss in 2 half-moves
10 Ke3 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Kfe1 loss in 2 half-moves
13 Kfe2 loss in 2 half-moves
14 Kg1 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh8 loss in 2 half-moves