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 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Kdd8 draw
7 Kde7 draw
8 Ke6 draw
9 Ked8 draw
10 Kee7 draw
11 Kf7 draw
12 Kf8 draw
13 Rb4 draw
14 Rg5 draw
15 Rg7 draw
16 Rg8 draw
17 Rh4 draw
18 Ra4 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 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