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

EGTB: win in 2 half-moves

# move score
1 Kb2 win in 1 half-moves
2 Rf4 win in 1 half-moves
3 Rg4 win in 1 half-moves
4 Rh4 win in 1 half-moves
5 K3b4 draw
6 K5b4 draw
7 Ka2 draw
8 Re4 draw
9 Ka6 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves