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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Rb5 draw
3 Rb6 draw
4 Rb7 draw
5 Kb2 loss in 2 half-moves
6 Kc3 loss in 2 half-moves
7 Kc4 loss in 2 half-moves
8 Kcc2 loss in 2 half-moves
9 Kcd2 loss in 2 half-moves
10 Kd1 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kdc2 loss in 2 half-moves
13 Kdd2 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb8 loss in 2 half-moves