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 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc7 draw
6 Kc8 draw
7 Ke4 draw
8 Ke5 draw
9 Kf4 draw
10 Kg4 draw
11 Ra1 draw
12 Rb2 draw
13 Rb4 draw
14 Rb5 draw
15 Rc1 draw
16 Rd1 draw
17 Rf1 draw
18 Rh1 draw
19 Ke6 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Kg5 loss in 2 half-moves
22 Kg6 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Re1 loss in 2 half-moves
26 Rg1 loss in 2 half-moves