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

EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Kg2 win in 17 half-moves
3 K3g3 draw
4 K4g3 draw
5 Kh2 draw
6 Kh5 draw
7 Ra1 draw
8 Ra2 draw
9 Ra4 draw
10 Ra8 draw
11 Rb3 draw
12 Rc3 draw
13 K3g4 loss in 2 half-moves
14 K4g4 loss in 2 half-moves
15 Kg5 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 Rd3 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rf3 loss in 2 half-moves