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

EGTB: win in 6 half-moves

# move score
1 Rb7 win in 5 half-moves
2 Rb1 draw
3 Rb5 draw
4 Rb6 draw
5 Rb8 draw
6 Rf4 draw
7 Rg4 draw
8 Rh4 draw
9 Kc5 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Kg8 loss in 2 half-moves
20 Kh6 loss in 2 half-moves
21 Kh8 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Rd4 loss in 2 half-moves
27 Re4 loss in 2 half-moves