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2
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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 Ra2 win in 1 half-moves
2 Ra3 win in 1 half-moves
3 Ra5 win in 1 half-moves
4 Ra6 win in 1 half-moves
5 Ra7 win in 1 half-moves
6 Ra8 win in 1 half-moves
7 Rab1 win in 1 half-moves
8 Rac1 win in 1 half-moves
9 Rad1 win in 1 half-moves
10 Raf1 win in 1 half-moves
11 Rag1 win in 1 half-moves
12 Re3 win in 1 half-moves
13 Rf4 win in 1 half-moves
14 Rg4 win in 1 half-moves
15 Rh2 win in 1 half-moves
16 Rh3 win in 1 half-moves
17 Rh5 win in 1 half-moves
18 Rh6 win in 1 half-moves
19 Rh7 win in 1 half-moves
20 Rh8 win in 1 half-moves
21 Rhb1 win in 1 half-moves
22 Rhc1 win in 1 half-moves
23 Rhd1 win in 1 half-moves
24 Rhf1 win in 1 half-moves
25 Rhg1 win in 1 half-moves
26 Rb4 loss in 2 half-moves
27 Rc4 loss in 2 half-moves
28 Rd4 loss in 2 half-moves
29 Re5 loss in 2 half-moves
30 Re6 loss in 2 half-moves
31 Re7 loss in 2 half-moves
32 Re8 loss in 2 half-moves
33 Rea4 loss in 2 half-moves
34 Ree1 loss in 2 half-moves
35 Reh4 loss in 2 half-moves
36 Raa4 loss in 1 half-moves
37 Rae1 loss in 1 half-moves
38 Re2 loss in 1 half-moves
39 Rhe1 loss in 1 half-moves
40 Rhh4 loss in 1 half-moves