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

EGTB: win in 4 half-moves

# move score
1 Kh5 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Rb8 win in 3 half-moves
5 K6g7 draw
6 K6h7 draw
7 K8g7 draw
8 K8h7 draw
9 Kg5 draw
10 Kg6 draw
11 Kg8 draw
12 Ra4 draw
13 Rb3 draw
14 Rb7 draw
15 Rc4 draw
16 Rd4 draw
17 Rh4 draw
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves