Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rh4 win in 1 half-moves
2 Kd6 draw
3 Ke4 draw
4 Ke5 draw
5 Ke6 draw
6 Ra4 draw
7 Rb4 draw
8 Rc3 draw
9 Rc8 draw
10 Rd4 draw
11 Kd4 loss in 10 half-moves
12 Rc5 loss in 10 half-moves
13 Kc5 loss in 8 half-moves
14 Kc6 loss in 4 half-moves
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves