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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Kc4 win in 7 half-moves
3 Kaa4 draw
4 Kaa6 draw
5 Kab4 draw
6 Kba4 draw
7 Kba6 draw
8 Kbb4 draw
9 Kc5 draw
10 Ra1 draw
11 Rb2 draw
12 Rb3 draw
13 Rh1 draw
14 Kab6 loss in 2 half-moves
15 Kbb6 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves