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 Kb5 draw
3 Kd5 draw
4 Ra1 draw
5 Ra2 draw
6 Ra3 draw
7 Ra6 draw
8 Rc4 draw
9 Rd4 draw
10 Kb4 loss in 8 half-moves
11 Kc4 loss in 6 half-moves
12 Ra5 loss in 6 half-moves
13 Kd4 loss in 4 half-moves
14 Kb6 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves