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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 Ra1 win in 3 half-moves
2 Rd1 win in 3 half-moves
3 Ka2 draw
4 Ka3 draw
5 Ka4 draw
6 Kb2 draw
7 Kb5 draw
8 Kb6 draw
9 Kbb4 draw
10 Kbc4 draw
11 Kc2 draw
12 Kc3 draw
13 Kc6 draw
14 Kcb4 draw
15 Kcc4 draw
16 Kd4 draw
17 Kd5 draw
18 Kd6 draw
19 Rb1 draw
20 Rc1 draw
21 Re1 draw
22 Rf8 draw
23 Rf2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rf5 loss in 2 half-moves
27 Rf6 loss in 2 half-moves
28 Rf7 loss in 2 half-moves
29 Rg1 loss in 2 half-moves
30 Rh1 loss in 2 half-moves