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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 Raf7 win in 3 half-moves
2 Rhf7 win in 3 half-moves
3 Rab7 win in 7 half-moves
4 Rb1 win in 7 half-moves
5 Rhb7 win in 7 half-moves
6 Ra8 win in 9 half-moves
7 Rah1 win in 9 half-moves
8 Rh8 win in 9 half-moves
9 Rhh1 win in 11 half-moves
10 R1a2 loss in 2 half-moves
11 R1a3 loss in 2 half-moves
12 R1a4 loss in 2 half-moves
13 R1a5 loss in 2 half-moves
14 R1a6 loss in 2 half-moves
15 R7a2 loss in 2 half-moves
16 R7a3 loss in 2 half-moves
17 R7a4 loss in 2 half-moves
18 R7a5 loss in 2 half-moves
19 R7a6 loss in 2 half-moves
20 Rac7 loss in 2 half-moves
21 Rad7 loss in 2 half-moves
22 Rae7 loss in 2 half-moves
23 Rag7 loss in 2 half-moves
24 Rc1 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Rf1 loss in 2 half-moves
28 Rg1 loss in 2 half-moves
29 Rh2 loss in 2 half-moves
30 Rh3 loss in 2 half-moves
31 Rh4 loss in 2 half-moves
32 Rh5 loss in 2 half-moves
33 Rh6 loss in 2 half-moves
34 Rhc7 loss in 2 half-moves
35 Rhd7 loss in 2 half-moves
36 Rhe7 loss in 2 half-moves
37 Rhg7 loss in 2 half-moves