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