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 Kb4 draw
3 Kb5 draw
4 Kd4 draw
5 Kd5 draw
6 Kd6 draw
7 Rc2 draw
8 Rc3 draw
9 Rd4 draw
10 Re4 draw
11 Rf4 draw
12 Kb6 loss in 2 half-moves
13 Kc6 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 Rg4 loss in 2 half-moves