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 Kc7 draw
3 Kc8 draw
4 Rb4 draw
5 Rb5 draw
6 Rb6 draw
7 Rc1 draw
8 Rd1 draw
9 Re1 draw
10 Rf1 draw
11 Kb7 loss in 10 half-moves
12 Ra1 loss in 10 half-moves
13 Ka7 loss in 6 half-moves
14 Ka8 loss in 6 half-moves
15 Rb2 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rh1 loss in 2 half-moves