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 Rb1 draw
3 Rc1 draw
4 Rd1 draw
5 Rf1 draw
6 Ka4 loss in 2 half-moves
7 Ka7 loss in 2 half-moves
8 Kaa6 loss in 2 half-moves
9 Kab5 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kba6 loss in 2 half-moves
13 Kbb5 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves