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 Kd5 draw
10 Kd6 draw
11 Rb1 draw
12 Rb3 draw
13 Rc2 draw
14 Ka4 loss in 2 half-moves
15 Ka5 loss in 2 half-moves
16 Ka6 loss in 2 half-moves
17 Kbc4 loss in 2 half-moves
18 Kbc6 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rh2 loss in 2 half-moves