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

EGTB: win in 6 half-moves

# move score
1 Ra2 win in 5 half-moves
2 Ka2 draw
3 Kab1 draw
4 Kd1 draw
5 Kd2 draw
6 Kd3 draw
7 Kb3 loss in 2 half-moves
8 Kc1 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Kcb1 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves