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S.Williams v S.Stephens
Serena Williams
Rod Laver Arena - Women's Singles | Quarterfinal
S.Williams [3]
 
6
5
4
 
 
Match Completed
Points
1
2
3
4
5
S.Stephens [29]
 
3
7
6
 
 
Elapsed Time by Set:
28
58
51
Sloane Stephens
SlamTracker

IBM SlamTracker

Australian Open SlamTracker, a real-time stats and analytics visualisation platform, is leveraging IBM's predictive analytics technology to pinpoint three "Keys to the Match" that each player needs to come out ahead. Advanced algorithms analyse more than 39 million data points from five years of Grand Slam tournaments. Served with this historical data, each competitor's performance styles and patterns are then indexed across the pair's head-to-head record to generate the top three "Keys" each competitor needs to win.

Launch SlamTracker for Live Scores and Stats
1st Serve 2nd Serve
Choose Statistic:
Key Strength
Key Strength
KEY STRENGTH:  
The Key Strength indicates how important this key is to the match.

The importance is determined by the distribution of data available for the player, the player's opponent and other analytical factors used to define the key.
KEY STATUS INDICATOR:
Serena Williams
Stats
Sloane Stephens
1
Aces
1
0
Double faults
1
14/24 (58 %)
1st serves in
9/18 (50 %)
11/14 (79 %)
1st serve points won
7/9 (78 %)
9/10 (90 %)
2nd serve points won
7/9 (78 %)
3/3 (100 %)
Net points won
1/1 (100 %)
1/3 (33 %)
Break points won
0/0 (0 %)
4/18 (21 %)
Receiving points won
4/24 (17 %)
3
Winners
5
10
Unforced errors
9
24
Total points won
18
Serena Williams
Sloane Stephens
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
1
0
24
20
5
157 KMH
187 KMH
14
11
170 KMH
187 KMH
10
9
138 KMH
155 KMH
Service winners
Double Faults
Total Points
Total Points Won
Service Games
Average Serve Speed
Fastest Serve Speed
9
7
174 KMH
186 KMH
9
7
156 KMH
174 KMH
0
1
18
14
4
166 KMH
186 KMH
Serena Williams
Sloane Stephens
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
1
6
18
4
9
2
9
2
Return winners
Return Unforced Errors
Return Points
Return Points Won
14
3
10
1
0
7
24
4
Serena Williams
Sloane Stephens
Winners
Forced Errors
Unforced Errors
 
Winners
Forced Errors
Unforced Errors
FH
BH
FH
BH
FH
BH
 
FH
BH
FH
BH
FH
BH
-
-
-
-
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
4
2
-
-
-
-
-
-
-
-
Approach Shots
Drop Shots
Ground Strokes
Lobs
Overhead Shots
Passing Shots
Volleys
-
-
-
-
3
-
-
-
-
-
-
-
1
-
-
-
-
-
-
4
1
-
-
-
1
-
-
-
-
-
-
-
3
2
-
-
-
-
-
-
-
-
Serena Williams
Stats
Sloane Stephens
3
Aces
0
0
Double faults
3
26/40 (65 %)
1st serves in
22/37 (59 %)
16/26 (62 %)
1st serve points won
17/22 (77 %)
5/14 (36 %)
2nd serve points won
5/15 (33 %)
5/8 (63 %)
Net points won
11/11 (100 %)
2/4 (50 %)
Break points won
3/4 (75 %)
15/37 (38 %)
Receiving points won
19/40 (48 %)
9
Winners
11
21
Unforced errors
16
36
Total points won
41
Serena Williams
Sloane Stephens
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
0
0
40
21
6
151 KMH
192 KMH
26
16
163 KMH
192 KMH
14
5
130 KMH
141 KMH
Service winners
Double Faults
Total Points
Total Points Won
Service Games
Average Serve Speed
Fastest Serve Speed
22
17
170 KMH
184 KMH
15
5
144 KMH
156 KMH
0
3
37
22
6
161 KMH
184 KMH
Serena Williams
Sloane Stephens
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
3
8
37
15
22
5
15
10
Return winners
Return Unforced Errors
Return Points
Return Points Won
26
10
14
9
4
5
40
19
Serena Williams
Sloane Stephens
Winners
Forced Errors
Unforced Errors
 
Winners
Forced Errors
Unforced Errors
FH
BH
FH
BH
FH
BH
 
FH
BH
FH
BH
FH
BH
-
-
-
-
1
1
-
-
2
-
-
-
-
-
-
-
-
-
-
1
1
-
-
-
-
2
1
-
-
-
-
-
9
7
-
-
-
-
2
-
-
-
Approach Shots
Drop Shots
Ground Strokes
Lobs
Overhead Shots
Passing Shots
Volleys
1
-
-
-
3
-
-
-
3
-
-
1
1
1
-
-
-
-
1
4
1
-
-
-
-
-
-
-
-
-
-
-
4
5
-
-
-
-
-
-
-
-
Serena Williams
Stats
Sloane Stephens
0
Aces
1
1
Double faults
1
17/32 (53 %)
1st serves in
23/38 (61 %)
11/17 (65 %)
1st serve points won
15/23 (65 %)
6/15 (40 %)
2nd serve points won
8/15 (53 %)
6/8 (75 %)
Net points won
6/8 (75 %)
1/5 (20 %)
Break points won
2/4 (50 %)
15/38 (38 %)
Receiving points won
15/32 (45 %)
11
Winners
7
17
Unforced errors
14
32
Total points won
38
Serena Williams
Sloane Stephens
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
0
1
32
17
5
149 KMH
191 KMH
17
11
168 KMH
191 KMH
15
6
126 KMH
138 KMH
Service winners
Double Faults
Total Points
Total Points Won
Service Games
Average Serve Speed
Fastest Serve Speed
23
15
165 KMH
180 KMH
15
8
143 KMH
153 KMH
0
1
38
23
5
156 KMH
180 KMH
Serena Williams
Sloane Stephens
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
5
7
38
15
23
8
15
7
Return winners
Return Unforced Errors
Return Points
Return Points Won
17
6
15
9
2
9
32
15
Serena Williams
Sloane Stephens
Winners
Forced Errors
Unforced Errors
 
Winners
Forced Errors
Unforced Errors
FH
BH
FH
BH
FH
BH
 
FH
BH
FH
BH
FH
BH
1
-
-
-
1
1
-
-
4
-
1
-
-
-
-
-
-
-
4
2
-
1
1
-
1
-
-
-
-
-
-
-
5
8
-
-
-
-
1
-
-
-
Approach Shots
Drop Shots
Ground Strokes
Lobs
Overhead Shots
Passing Shots
Volleys
-
-
-
1
1
-
-
-
-
-
1
-
-
2
-
-
-
-
1
5
-
-
-
-
-
-
1
-
-
-
-
1
4
5
-
-
-
-
-
-
-
-
Serena Williams
Stats
Sloane Stephens
4
Aces
2
1
Double faults
5
57/96 (59 %)
1st serves in
54/93 (58 %)
38/57 (67 %)
1st serve points won
39/54 (72 %)
20/39 (51 %)
2nd serve points won
20/39 (51 %)
192 KMH
Fastest serve
186 KMH
166 KMH
Average 1st serve speed
168 KMH
130 KMH
Average 2nd serve speed
146 KMH
14/19 (74 %)
Net points won
18/20 (90 %)
4/12 (33 %)
Break points won
5/8 (63 %)
34/93 (37 %)
Receiving points won
38/96 (40 %)
23
Winners
23
48
Unforced errors
39
92
Total points won
97
Serena Williams
Sloane Stephens
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
1
1
96
58
16
152 KMH
192 KMH
57
38
166 KMH
192 KMH
39
20
131 KMH
155 KMH
Service winners
Double Faults
Total Points
Total Points Won
Service Games
Average Serve Speed
Fastest Serve Speed
54
39
169 KMH
186 KMH
39
20
146 KMH
174 KMH
0
5
93
59
15
160 KMH
186 KMH
Serena Williams
Sloane Stephens
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
9
21
93
34
54
15
39
19
Return winners
Return Unforced Errors
Return Points
Return Points Won
57
19
39
19
6
21
96
38
Serena Williams
Sloane Stephens
Winners
Forced Errors
Unforced Errors
 
Winners
Forced Errors
Unforced Errors
FH
BH
FH
BH
FH
BH
 
FH
BH
FH
BH
FH
BH
1
-
-
-
3
2
-
-
6
-
1
-
-
-
-
-
-
-
4
3
1
1
1
-
1
2
1
-
-
-
-
-
18
17
-
-
-
-
3
-
-
-
Approach Shots
Drop Shots
Ground Strokes
Lobs
Overhead Shots
Passing Shots
Volleys
1
-
-
1
7
-
-
-
3
-
1
1
2
3
-
-
-
-
2
13
2
-
-
-
1
-
1
-
-
-
-
1
11
12
-
-
-
-
-
-
-
-
Player 1 TP
Player 1 TP
Turning Points
  • Aces
  • Winners
  • Double Faults
  • Unforced Errors
  • Net Points
  • Break Points
  • Break Points Won
Sloane Stephens

Sloane stuns Serena

Up-and-coming American Sloane Stephens shocks Serena Williams out of the women's quarterfinal in three sets on Rod Laver Arena, 3-6 7-5 6-4.
Read full article >
Williams v Stephens

Williams v Stephens: when stars collide

An American star of the present faces a rising star of the future as two generations clash for a place in the women’s singles semifinals on Wednesday.
Read full article >
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