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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Kab5 win in 7 half-moves
3 Kb7 win in 7 half-moves
4 Ra8 win in 7 half-moves
5 Kaa6 win in 9 half-moves
6 Kbb5 win in 9 half-moves
7 Ka4 draw
8 Kb4 draw
9 Re8 draw
10 Ka7 loss in 2 half-moves
11 Kba6 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves