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 Ka5 draw
3 Kb4 draw
4 Kc4 draw
5 Kc5 draw
6 Ra5 draw
7 Ra6 draw
8 Rb4 draw
9 Re4 draw
10 Rf4 draw
11 Ka6 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves