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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Rb4 win in 1 half-moves
3 Kb2 draw
4 Kb3 draw
5 Kc1 draw
6 Kc3 draw
7 Kd1 draw
8 Kd2 draw
9 Kd3 draw
10 Rb2 draw
11 Rb3 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 draw
15 Rc1 draw
16 Rd1 draw
17 Re1 draw
18 Rg1 draw
19 Rh1 draw
20 Rb8 loss in 2 half-moves
21 Rf1 loss in 2 half-moves