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

EGTB: win in 12 half-moves

# move score
1 Ra4 win in 11 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Kc6 draw
6 Kcd5 draw
7 Kd6 draw
8 Rb4 draw
9 Kc3 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Kdd5 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc3 loss in 2 half-moves