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 Kb2 draw
3 Kc2 draw
4 Kd2 draw
5 Rc5 draw
6 Rc6 draw
7 Rc7 draw
8 Rc8 draw
9 Rd4 draw
10 Re4 draw
11 Rg4 draw
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves