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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 Rf1 win in 3 half-moves
2 Ra1 draw
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 Re1 draw
7 Rg1 draw
8 Rh1 draw
9 K3d3 loss in 2 half-moves
10 K3d4 loss in 2 half-moves
11 K3f3 loss in 2 half-moves
12 K3f4 loss in 2 half-moves
13 K4d3 loss in 2 half-moves
14 K4d4 loss in 2 half-moves
15 K4f3 loss in 2 half-moves
16 K4f4 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Kf2 loss in 2 half-moves
22 Kf5 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rb5 loss in 2 half-moves
27 Rc1 loss in 2 half-moves
28 Rd1 loss in 2 half-moves