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

EGTB: win in 2 half-moves

# move score
1 Kba5 win in 1 half-moves
2 Kbb7 win in 3 half-moves
3 Ra8 win in 7 half-moves
4 Kab5 draw
5 Kab7 draw
6 Kbb5 draw
7 Rd8 draw
8 Kaa7 loss in 2 half-moves
9 Kba7 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 Kaa5 loss in 1 half-moves
19 Kc5 loss in 1 half-moves