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

EGTB: win in 2 half-moves

# move score
1 Rg5 win in 1 half-moves
2 Rg6 win in 1 half-moves
3 Rg7 win in 1 half-moves
4 Ra4 draw
5 Rb4 draw
6 Rg8 draw
7 Kf1 loss in 2 half-moves
8 Kf2 loss in 2 half-moves
9 Kf3 loss in 2 half-moves
10 Kg1 loss in 2 half-moves
11 Kg3 loss in 2 half-moves
12 Kh1 loss in 2 half-moves
13 Kh2 loss in 2 half-moves
14 Kh3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rh4 loss in 2 half-moves