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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ra4 draw
3 Rb1 draw
4 Rc1 draw
5 Rd1 draw
6 Re1 draw
7 Ka5 loss in 2 half-moves
8 Ka8 loss in 2 half-moves
9 Kaa7 loss in 2 half-moves
10 Kab6 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kba7 loss in 2 half-moves
14 Kbb6 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kc8 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves