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 Kb6 win in 7 half-moves
3 K5b5 draw
4 K4b5 loss in 2 half-moves
5 K4d4 loss in 2 half-moves
6 K4d5 loss in 2 half-moves
7 K5d4 loss in 2 half-moves
8 K5d5 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Kc3 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves