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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Rb3 win in 5 half-moves
4 Rh6 win in 5 half-moves
5 Kf1 draw
6 Kf2 draw
7 Kf3 draw
8 Kg3 draw
9 Kgg1 draw
10 Kgh2 draw
11 Kh3 draw
12 Khg1 draw
13 Khh2 draw
14 Ra6 draw
15 Rb4 draw
16 Rb5 draw
17 Rc6 draw
18 Rd6 draw
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg6 loss in 2 half-moves