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

EGTB: win in 2 half-moves

# move score
1 Ka3 win in 1 half-moves
2 Kb3 win in 1 half-moves
3 Ra7 draw
4 Rb7 draw
5 Rf1 draw
6 Rf2 draw
7 Rf3 draw
8 Rf4 draw
9 Rf5 draw
10 Rf6 draw
11 K1b2 loss in 2 half-moves
12 K1b1 loss in 1 half-moves
13 K2b1 loss in 1 half-moves
14 K2b2 loss in 1 half-moves
15 Rc7 loss in 1 half-moves
16 Rd7 loss in 1 half-moves
17 Re7 loss in 1 half-moves
18 Rf8 loss in 1 half-moves
19 Rg7 loss in 1 half-moves
20 Rh7 loss in 1 half-moves