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 Ra1 draw
3 Ra5 draw
4 Rg2 draw
5 Kc4 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kd4 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Ke4 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves