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 Kc5 draw
4 Rb4 draw
5 Ra6 loss in 10 half-moves
6 Ra5 loss in 8 half-moves
7 Kb4 loss in 6 half-moves
8 Ra1 loss in 6 half-moves
9 Ra2 loss in 6 half-moves
10 Ra3 loss in 6 half-moves
11 Ka6 loss in 4 half-moves
12 Kc4 loss in 4 half-moves
13 Kb6 loss in 2 half-moves
14 Kc6 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