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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb8 draw
3 Kcd8 draw
4 Ked8 draw
5 Kf8 draw
6 Ra1 draw
7 Rb2 draw
8 Rb8 draw
9 Rf1 draw
10 Rg1 draw
11 Rh1 draw
12 Kb7 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kcd7 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ked7 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Re1 loss in 2 half-moves