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 K5b5 draw
3 K5b6 draw
4 K6b6 draw
5 Kb4 draw
6 Ra1 draw
7 Ra2 draw
8 Ra3 draw
9 Rb4 draw
10 Rc4 draw
11 Rd4 draw
12 Rh4 draw
13 K6b5 loss in 2 half-moves
14 Ka7 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Re4 loss in 1 half-moves
17 Rg4 loss in 1 half-moves