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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka3 draw
3 Ka5 draw
4 Kb3 draw
5 Kb4 draw
6 Kb5 draw
7 Kg1 draw
8 Ra1 draw
9 Rb6 draw
10 Rb7 draw
11 Rc1 draw
12 Rd1 draw
13 Re1 draw
14 Rf1 draw
15 Kg2 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rg1 loss in 2 half-moves