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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Kc5 win in 1 half-moves
3 Ra2 win in 1 half-moves
4 Rf1 win in 1 half-moves
5 Ka4 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kaa6 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Kba6 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Ra3 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Kab5 loss in 1 half-moves
21 Kbb5 loss in 1 half-moves