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 K2b2 draw
3 K2b3 draw
4 K3b2 draw
5 K3b3 draw
6 Ka1 draw
7 Ka4 draw
8 Kb1 draw
9 Kb4 draw
10 Ra4 draw
11 Rb4 draw
12 Rc4 draw
13 Rd4 draw
14 Re5 draw
15 Re6 draw
16 Re7 draw
17 Re8 draw
18 Re1 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves