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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 Ra2 win in 3 half-moves
2 Rc2 win in 3 half-moves
3 Ka2 draw
4 Kab1 draw
5 Kab2 draw
6 Kc2 draw
7 Kcb1 draw
8 Kcb2 draw
9 Kd1 draw
10 Rb2 draw
11 Rd2 draw
12 Rh1 draw
13 Rh6 draw
14 Kd2 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Rh5 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rh8 loss in 2 half-moves