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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kb4 loss in 2 half-moves
3 Kb5 loss in 2 half-moves
4 Kd4 loss in 2 half-moves
5 Kd5 loss in 2 half-moves
6 Kg2 loss in 2 half-moves
7 Kg3 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kh2 loss in 2 half-moves
10 Kh4 loss in 2 half-moves
11 Rb4 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Kb6 loss in 1 half-moves
21 Kc6 loss in 1 half-moves
22 Kd6 loss in 1 half-moves