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

EGTB: win in 6 half-moves

# move score
1 Rb4 win in 5 half-moves
2 Kbb4 draw
3 Kbb6 draw
4 Kcb4 draw
5 Kcb6 draw
6 Kcc4 draw
7 Kcc6 draw
8 Kd4 draw
9 Rb2 draw
10 Rb3 draw
11 Rc1 draw
12 Ka4 loss in 2 half-moves
13 Ka5 loss in 2 half-moves
14 Ka6 loss in 2 half-moves
15 Kbc4 loss in 2 half-moves
16 Kbc6 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Ra1 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
23 Rg1 loss in 2 half-moves
24 Rh1 loss in 2 half-moves