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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Re8 win in 3 half-moves
3 Nh4 win in 5 half-moves
4 Ra5 win in 5 half-moves
5 Rc8 win in 5 half-moves
6 Ra7 loss in 8 half-moves
7 Rb8 loss in 8 half-moves
8 Ne1 loss in 2 half-moves
9 Ne3 loss in 2 half-moves
10 Nf4 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves
17 Ra6 loss in 1 half-moves
18 Rd8 loss in 1 half-moves