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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Ra8 win in 5 half-moves
3 Rb7 win in 5 half-moves
4 Kab4 win in 7 half-moves
5 Kaa5 win in 9 half-moves
6 Kb6 win in 9 half-moves
7 Rd8 draw
8 Ka3 loss in 2 half-moves
9 Ka6 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kba5 loss in 2 half-moves
12 Kbb4 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves