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 Kd1 draw
3 Kd2 draw
4 Ke2 draw
5 Ra1 draw
6 Ra5 draw
7 Ra8 draw
8 Re4 draw
9 Rf4 draw
10 Kf1 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves