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 Ra8 draw
3 Rg2 draw
4 Rg3 draw
5 Rg7 draw
6 Rh8 draw
7 Kf1 loss in 10 half-moves
8 Kg1 loss in 10 half-moves
9 Kg2 loss in 10 half-moves
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rg6 loss in 2 half-moves