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 Rg5 win in 1 half-moves
3 Rg6 draw
4 Rb8 loss in 10 half-moves
5 Rc8 loss in 10 half-moves
6 Kg7 loss in 8 half-moves
7 Ra8 loss in 8 half-moves
8 Ke6 loss in 2 half-moves
9 Ke7 loss in 2 half-moves
10 Ke8 loss in 2 half-moves
11 Kf6 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh8 loss in 2 half-moves
20 Kg6 loss in 1 half-moves
21 Rg4 loss in 1 half-moves