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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Rb4 win in 3 half-moves
3 Rg4 win in 3 half-moves
4 Rh4 win in 3 half-moves
5 Re1 draw
6 Re2 draw
7 Re8 draw
8 K3b3 loss in 2 half-moves
9 K3b4 loss in 2 half-moves
10 K4b3 loss in 2 half-moves
11 K4b4 loss in 2 half-moves
12 Ka2 loss in 2 half-moves
13 Ka5 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re7 loss in 2 half-moves