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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kb7 draw
3 Ra8 draw
4 Rb1 draw
5 Rb2 draw
6 Rc8 draw
7 Kb6 loss in 2 half-moves
8 Kc6 loss in 2 half-moves
9 Kcc8 loss in 2 half-moves
10 Kcd7 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kdc8 loss in 2 half-moves
13 Kdd7 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves