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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 K6a7 draw
3 K8a7 draw
4 Ka5 draw
5 Kb8 draw
6 Ra2 draw
7 Rf1 draw
8 Rg1 draw
9 Rh1 draw
10 K6b7 loss in 2 half-moves
11 K8b7 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves