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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rd6 draw
3 Rf6 draw
4 Rg6 draw
5 Rh6 draw
6 Ka3 loss in 2 half-moves
7 Kaa2 loss in 2 half-moves
8 Kab1 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Kba2 loss in 2 half-moves
11 Kbb1 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Re6 loss in 2 half-moves