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

EGTB: win in 4 half-moves

# move score
1 Kg3 win in 3 half-moves
2 Kh3 win in 3 half-moves
3 Rb1 win in 3 half-moves
4 Rb2 win in 3 half-moves
5 Rb3 win in 5 half-moves
6 Kf1 draw
7 Kf2 draw
8 Kf3 draw
9 Kgg1 draw
10 Kgh2 draw
11 Khg1 draw
12 Khh2 draw
13 Ra4 draw
14 Rb5 draw
15 Rc4 draw
16 Rd4 draw
17 Rh4 draw
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg4 loss in 2 half-moves