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 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Kd8 draw
7 Ke6 draw
8 Ke7 draw
9 Ke8 draw
10 Ra8 draw
11 Rb3 draw
12 Rb4 draw
13 Rb6 draw
14 Rb7 draw
15 Rd8 draw
16 Re8 draw
17 Rf8 draw
18 Rg8 draw
19 Rh8 draw
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rc8 loss in 2 half-moves