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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Kc5 draw
5 Kc6 draw
6 Kc7 draw
7 Kd7 draw
8 Ke5 draw
9 Ke6 draw
10 Ke7 draw
11 Ra4 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 draw
15 Rb8 draw
16 Rg4 draw
17 Rh4 draw
18 Kb2 loss in 2 half-moves
19 Kc1 loss in 2 half-moves
20 Kc2 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves