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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Rb2 win in 1 half-moves
3 Rb1 draw
4 K4b5 loss in 2 half-moves
5 K4d4 loss in 2 half-moves
6 K4d5 loss in 2 half-moves
7 K5b5 loss in 2 half-moves
8 K5d4 loss in 2 half-moves
9 K5d5 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves