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 Kb7 draw
3 Kb8 draw
4 Kcc8 draw
5 Kcd7 draw
6 Kdc8 draw
7 Kdd7 draw
8 Ke7 draw
9 Ke8 draw
10 Ra4 draw
11 Re4 draw
12 Rf4 draw
13 Rg5 draw
14 Rg7 draw
15 Rg8 draw
16 Rh4 draw
17 Kb6 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rg3 loss in 2 half-moves