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 Rg1 win in 7 half-moves
3 Rg4 win in 7 half-moves
4 Rg5 win in 7 half-moves
5 Ra6 draw
6 Rc6 draw
7 Rd6 draw
8 Re6 draw
9 Rg2 draw
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Kee1 loss in 2 half-moves
15 Kef2 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kfe1 loss in 2 half-moves
18 Kff2 loss in 2 half-moves
19 Kg1 loss in 2 half-moves
20 Kg2 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh6 loss in 2 half-moves