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 Ke1 draw
3 Ra8 draw
4 Rb1 draw
5 Rb2 draw
6 Rc1 draw
7 Rc2 draw
8 Rd2 draw
9 Re2 draw
10 Rh2 draw
11 Kc1 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Ke2 loss in 1 half-moves