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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Ra4 draw
3 Ra5 draw
4 Ra6 draw
5 Ra7 draw
6 Rd1 draw
7 Ke1 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Kff2 loss in 2 half-moves
10 Kfg2 loss in 2 half-moves
11 Kgf2 loss in 2 half-moves
12 Kgg2 loss in 2 half-moves
13 Kh1 loss in 2 half-moves
14 Kh2 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rc1 loss in 2 half-moves