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 Rg7 win in 3 half-moves
3 Rg8 win in 3 half-moves
4 Kb6 win in 7 half-moves
5 Kc6 win in 7 half-moves
6 Kc7 win in 7 half-moves
7 Rd4 win in 7 half-moves
8 Rf4 win in 7 half-moves
9 Rh4 win in 7 half-moves
10 Ka6 draw
11 Ka7 draw
12 Ka8 draw
13 Kb8 draw
14 Kc8 draw
15 Re4 draw
16 Rg1 draw
17 Rg5 draw
18 Ra4 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rg3 loss in 2 half-moves