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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Ke4 draw
6 Kg5 draw
7 Rb4 draw
8 Rc4 draw
9 Rd6 draw
10 Re4 draw
11 Ke3 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rd5 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Rd8 loss in 2 half-moves