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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Rg5 win in 3 half-moves
3 Rg6 win in 3 half-moves
4 Ke4 draw
5 Kf4 draw
6 Kg4 draw
7 Ra8 draw
8 Rg4 draw
9 Kb5 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Kg5 loss in 2 half-moves
20 Kg6 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rg2 loss in 2 half-moves
28 Rg3 loss in 2 half-moves
29 Rg7 loss in 2 half-moves
30 Rh8 loss in 2 half-moves