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

EGTB: win in 6 half-moves

# move score
1 Ra4 win in 5 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kc2 draw
6 Kc3 draw
7 Kc4 draw
8 Kd2 draw
9 Ke2 draw
10 Ke3 draw
11 Ke4 draw
12 Rb4 draw
13 Rc4 draw
14 Rd5 draw
15 Re4 draw
16 Rf4 draw
17 Rd6 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves