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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Rb6 win in 5 half-moves
4 Kd7 draw
5 Kd8 draw
6 Ke8 draw
7 Kef7 draw
8 Kef8 draw
9 Kg7 draw
10 Kgf7 draw
11 Kgf8 draw
12 Kh7 draw
13 Kh8 draw
14 Ra4 draw
15 Rb5 draw
16 Rc4 draw
17 Rg4 draw
18 Rh4 draw
19 Kd6 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Kf6 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rd4 loss in 2 half-moves
26 Re4 loss in 2 half-moves
27 Rf4 loss in 2 half-moves