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

EGTB: win in 10 half-moves

# move score
1 Rh1 win in 9 half-moves
2 Rb1 draw
3 Rb4 draw
4 Rh4 draw
5 R1a2 loss in 4 half-moves
6 R1a3 loss in 4 half-moves
7 R4a2 loss in 4 half-moves
8 R4a3 loss in 4 half-moves
9 Ra5 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg4 loss in 2 half-moves