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 Ka2 draw
3 Ka3 draw
4 Ka4 draw
5 Ka7 draw
6 Kb2 draw
7 Kb4 draw
8 Kb7 draw
9 Kb8 draw
10 Kc2 draw
11 Kc3 draw
12 Ra4 draw
13 Rb4 draw
14 Rc1 draw
15 Rc2 draw
16 Rc3 draw
17 Rc8 draw
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rg4 loss in 2 half-moves