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 Kd4 draw
3 Ke2 draw
4 Ke3 draw
5 Ke4 draw
6 Rc3 draw
7 Rc5 draw
8 Rc6 draw
9 Rc7 draw
10 Rc8 draw
11 Kc2 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves