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 Ka4 draw
3 Ka7 draw
4 Ka8 draw
5 Kaa6 draw
6 Kab6 draw
7 Kb4 draw
8 Kb5 draw
9 Kb8 draw
10 Kba6 draw
11 Kbb6 draw
12 Kc6 draw
13 Kc7 draw
14 Kc8 draw
15 Rb3 draw
16 Rc3 draw
17 Rd3 draw
18 Rh3 draw
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg3 loss in 2 half-moves