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 Kc5 draw
3 Ke5 draw
4 Ra1 draw
5 Ra2 draw
6 Ra3 draw
7 Ra5 draw
8 Rb4 draw
9 Rd4 draw
10 Re4 draw
11 Kc4 loss in 4 half-moves
12 Kd4 loss in 4 half-moves
13 Ke4 loss in 4 half-moves
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves