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 Rb6 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Ka4 win in 5 half-moves
5 Rb2 win in 5 half-moves
6 K5b5 draw
7 K5b6 draw
8 K6b5 draw
9 K6b6 draw
10 Ka7 draw
11 Kb4 draw
12 Kb7 draw
13 Ra1 draw
14 Rc1 draw
15 Rg1 draw
16 Rh1 draw
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves