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

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Ke2 draw
3 Kf1 draw
4 Ra1 draw
5 Ra2 draw
6 Ra5 draw
7 Ra6 draw
8 Ra7 draw
9 Ra8 draw
10 Rb3 draw
11 Rc3 draw
12 Rd3 draw
13 Re3 draw
14 Rf3 draw
15 Rh3 draw
16 Kd1 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Ra4 loss in 2 half-moves