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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Kb2 draw
3 Kbb4 draw
4 Kcb4 draw
5 Kcc3 draw
6 Kd3 draw
7 Kd4 draw
8 Rc1 draw
9 Rf1 draw
10 Ka2 loss in 2 half-moves
11 Ka3 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kbc3 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves