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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Rb7 win in 1 half-moves
4 Rb8 win in 1 half-moves
5 Kc5 draw
6 Kc6 draw
7 Kc7 draw
8 Kd5 draw
9 Kd7 draw
10 Ke5 draw
11 Ke6 draw
12 Ke7 draw
13 Ra3 draw
14 Rb2 draw
15 Rb4 draw
16 Rc3 draw
17 Rd3 draw
18 Re3 draw
19 Rg3 draw
20 Rh3 draw
21 Rb1 loss in 2 half-moves
22 Rf3 loss in 2 half-moves