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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 Ra7 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kc5 draw
5 Kd6 draw
6 Rb7 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Rf5 draw
11 Kd5 loss in 6 half-moves
12 Kc7 loss in 4 half-moves
13 Kd7 loss in 4 half-moves
14 Rf6 loss in 4 half-moves
15 Rf8 loss in 4 half-moves
16 Kb5 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rf4 loss in 1 half-moves