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 Rh4 win in 5 half-moves
4 Ke1 draw
5 Kff2 draw
6 Kfg2 draw
7 Kgf2 draw
8 Kgg2 draw
9 Kh1 draw
10 Kh2 draw
11 Ra4 draw
12 Rb3 draw
13 Rb5 draw
14 Rc4 draw
15 Rd4 draw
16 Ke2 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rb8 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