Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ra2 draw
3 Rf4 draw
4 Rg4 draw
5 K3g3 loss in 2 half-moves
6 K3g4 loss in 2 half-moves
7 K4g3 loss in 2 half-moves
8 K4g4 loss in 2 half-moves
9 Kg2 loss in 2 half-moves
10 Kg5 loss in 2 half-moves
11 Kh2 loss in 2 half-moves
12 Kh5 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 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 Re4 loss in 2 half-moves