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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 Rg7 win in 1 half-moves
2 Kb7 draw
3 Kc7 draw
4 Kd7 draw
5 Ra4 draw
6 Ra6 draw
7 Ra8 draw
8 K4b5 loss in 2 half-moves
9 K4c5 loss in 2 half-moves
10 K4d5 loss in 2 half-moves
11 K6b5 loss in 2 half-moves
12 K6c5 loss in 2 half-moves
13 K6d5 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Ra5 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rc7 loss in 2 half-moves
27 Rd7 loss in 2 half-moves
28 Re7 loss in 2 half-moves
29 Rf7 loss in 2 half-moves
30 Rh7 loss in 2 half-moves