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

EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Kd1 draw
3 Kd2 draw
4 Kee2 draw
5 Kef2 draw
6 Kfe2 draw
7 Kff2 draw
8 Kg1 draw
9 Kg2 draw
10 Ra4 draw
11 Rb1 draw
12 Rb2 draw
13 Rb3 draw
14 Rb8 draw
15 Rf4 draw
16 Rh4 draw
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re4 loss in 2 half-moves