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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kd5 loss in 2 half-moves
3 Kd6 loss in 2 half-moves
4 Kd8 loss in 2 half-moves
5 Ke5 loss in 2 half-moves
6 Kf5 loss in 2 half-moves
7 Kf6 loss in 2 half-moves
8 Rf1 loss in 2 half-moves
9 Rf2 loss in 2 half-moves
10 Rf3 loss in 2 half-moves
11 Rf4 loss in 2 half-moves
12 Rf5 loss in 2 half-moves
13 Rf6 loss in 2 half-moves
14 Rh8 loss in 2 half-moves
15 K6d7 loss in 1 half-moves
16 K6e7 loss in 1 half-moves
17 K6f7 loss in 1 half-moves
18 K8d7 loss in 1 half-moves
19 K8e7 loss in 1 half-moves
20 K8f7 loss in 1 half-moves
21 Rf7 loss in 1 half-moves