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 Ra8 draw
3 Rd5 draw
4 Rg5 draw
5 Rh5 draw
6 Kaa2 loss in 2 half-moves
7 Kaa4 loss in 2 half-moves
8 Kab2 loss in 2 half-moves
9 Kab4 loss in 2 half-moves
10 Kba2 loss in 2 half-moves
11 Kba4 loss in 2 half-moves
12 Kbb2 loss in 2 half-moves
13 Kbb4 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Rf5 loss in 2 half-moves