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 Kb2 draw
3 Kb3 draw
4 Kc2 draw
5 Kd2 draw
6 Kd3 draw
7 Ra3 draw
8 Ra8 draw
9 Re4 draw
10 Rf4 draw
11 Kb4 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves