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 Ka7 draw
3 Ka8 draw
4 Kbc8 draw
5 Kdc8 draw
6 Ke8 draw
7 Ra1 draw
8 Rb2 draw
9 Rf1 draw
10 Rg1 draw
11 Rh1 draw
12 Kb7 loss in 2 half-moves
13 Kbc7 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Kdc7 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Rd1 loss in 2 half-moves
23 Re1 loss in 2 half-moves