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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Rc4 win in 1 half-moves
4 Rf4 win in 1 half-moves
5 Re2 draw
6 Re3 draw
7 Re8 draw
8 Ra4 loss in 2 half-moves
9 Rb4 loss in 2 half-moves
10 Re1 loss in 2 half-moves
11 Re5 loss in 2 half-moves
12 Rg4 loss in 2 half-moves
13 Rh4 loss in 2 half-moves
14 Ka4 loss in 1 half-moves
15 Ka6 loss in 1 half-moves
16 Kb4 loss in 1 half-moves
17 Rd4 loss in 1 half-moves
18 Re6 loss in 1 half-moves
19 Re7 loss in 1 half-moves