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

EGTB: win in 6 half-moves

# move score
1 Rg8 win in 5 half-moves
2 Rg7 win in 11 half-moves
3 Ka7 draw
4 Kb7 draw
5 Kb8 draw
6 Kc5 draw
7 Kd5 draw
8 Ke3 draw
9 Ke4 draw
10 Ke5 draw
11 Rd3 draw
12 Re3 draw
13 Rf3 draw
14 Rg4 draw
15 Rg5 draw
16 Rg6 draw
17 Rh3 draw
18 Kc3 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves