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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Kd6 win in 5 half-moves
3 Rf4 win in 5 half-moves
4 Ka7 draw
5 Kb6 draw
6 Kd8 draw
7 Ke6 draw
8 Ke8 draw
9 Kf6 draw
10 Kf7 draw
11 Kf8 draw
12 Rc4 draw
13 Rd4 draw
14 Re4 draw
15 Rg5 draw
16 Rg7 draw
17 Rg8 draw
18 Rh4 draw
19 Ka5 loss in 2 half-moves
20 Kb5 loss in 2 half-moves
21 Kb7 loss in 2 half-moves
22 Kd7 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg3 loss in 2 half-moves