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