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 Rb8 win in 1 half-moves
3 Kc1 draw
4 Kc3 draw
5 Kd2 draw
6 Rb2 draw
7 Rb6 draw
8 Rc1 draw
9 Kb3 loss in 26 half-moves
10 Kb2 loss in 22 half-moves
11 Kd1 loss in 18 half-moves
12 Rd1 loss in 12 half-moves
13 Rf1 loss in 12 half-moves
14 Kd3 loss in 6 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves