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 Rg8 draw
3 Kf2 loss in 20 half-moves
4 Rh3 loss in 16 half-moves
5 Kf1 loss in 12 half-moves
6 Kg1 loss in 12 half-moves
7 Kh2 loss in 10 half-moves
8 Kh1 loss in 8 half-moves
9 Rc3 loss in 4 half-moves
10 Kf3 loss in 2 half-moves
11 Kh3 loss in 2 half-moves
12 Rd3 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Ra3 loss in 1 half-moves
19 Rb3 loss in 1 half-moves