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