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 Kd5 draw
3 Kd6 draw
4 Ke6 draw
5 Kf5 draw
6 Ra5 draw
7 Ra6 draw
8 Ra7 draw
9 Ra8 draw
10 Re4 draw
11 Kd4 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Kf4 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves