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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Rg5 win in 1 half-moves
3 Rd8 draw
4 Rf8 draw
5 Rg7 draw
6 Kf1 loss in 2 half-moves
7 Kf2 loss in 2 half-moves
8 Kf3 loss in 2 half-moves
9 Kg1 loss in 2 half-moves
10 Kg3 loss in 2 half-moves
11 Kh1 loss in 2 half-moves
12 Kh2 loss in 2 half-moves
13 Kh3 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh8 loss in 2 half-moves