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

EGTB: win in 46 half-moves

# move score
1 Rb7 win in 45 half-moves
2 Kb6 win in 51 half-moves
3 Kbb7 win in 53 half-moves
4 Rc1 win in 53 half-moves
5 Ka6 win in 55 half-moves
6 Rc2 win in 55 half-moves
7 Rc3 win in 55 half-moves
8 Rc8 win in 55 half-moves
9 Rd7 win in 55 half-moves
10 Kaa8 win in 57 half-moves
11 Kba8 win in 57 half-moves
12 Kab7 draw
13 Kc8 draw
14 Rh7 draw
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves