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

EGTB: win in 8 half-moves

# move score
1 Rb5 win in 7 half-moves
2 Rc5 win in 7 half-moves
3 Rb6 win in 9 half-moves
4 Rc6 win in 9 half-moves
5 Rb7 win in 11 half-moves
6 Rb8 win in 11 half-moves
7 Rc7 win in 11 half-moves
8 Rc8 win in 11 half-moves
9 Ra1 loss in 4 half-moves
10 Rd1 loss in 4 half-moves
11 Re1 loss in 4 half-moves
12 Rf1 loss in 4 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves