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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Kde7 draw
6 Kde8 draw
7 Ke6 draw
8 Kf6 draw
9 Kf8 draw
10 Kfe7 draw
11 Kfe8 draw
12 Kg6 draw
13 Kg7 draw
14 Kg8 draw
15 Ra4 draw
16 Rb5 draw
17 Rb7 draw
18 Rb8 draw
19 Rc4 draw
20 Rd4 draw
21 Rh4 draw
22 Rb1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rg4 loss in 2 half-moves