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 Kb4 loss in 2 half-moves
3 Kb5 loss in 2 half-moves
4 Kb6 loss in 2 half-moves
5 Kc4 loss in 2 half-moves
6 Kc6 loss in 2 half-moves
7 Kcd5 loss in 2 half-moves
8 Kcd6 loss in 2 half-moves
9 Ke4 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Ked5 loss in 2 half-moves
12 Ked6 loss in 2 half-moves
13 Kf4 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves
28 Rd1 loss in 1 half-moves