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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb2 win in 1 half-moves
3 Kc3 draw
4 Kc4 draw
5 Kc5 draw
6 Kd3 draw
7 Kd5 draw
8 Ke3 draw
9 Ke4 draw
10 Ke5 draw
11 Kg1 draw
12 Kg2 draw
13 Kh2 draw
14 Ra4 draw
15 Rb3 draw
16 Rb5 draw
17 Rb6 draw
18 Rb7 draw
19 Rc4 draw
20 Rb8 loss in 1 half-moves