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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rd6 win in 1 half-moves
3 Rb8 draw
4 Ka3 loss in 2 half-moves
5 Ka6 loss in 2 half-moves
6 Kaa4 loss in 2 half-moves
7 Kab5 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kba4 loss in 2 half-moves
10 Kbb5 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh6 loss in 2 half-moves