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

EGTB: win in 2 half-moves

# move score
1 Kc7 win in 1 half-moves
2 Rd3 win in 1 half-moves
3 Re2 win in 1 half-moves
4 Kc8 loss in 2 half-moves
5 Ra3 loss in 2 half-moves
6 Rb3 loss in 2 half-moves
7 Rc3 loss in 2 half-moves
8 Re1 loss in 2 half-moves
9 Re4 loss in 2 half-moves
10 Re5 loss in 2 half-moves
11 Re6 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rg3 loss in 2 half-moves
16 Rh3 loss in 2 half-moves
17 Kaa7 loss in 1 half-moves
18 Kab7 loss in 1 half-moves
19 Kba7 loss in 1 half-moves
20 Kbb7 loss in 1 half-moves