Nine Dimensions of Tennis Analysis: The Day the Notebook Held Only N/A

At five forty in the morning, the third plastic seat from the left in the practice-court stand was still cold. I opened the forty-page notebook, turned to the page marked with blue tape, and read back the line I had written the night before: “Stage one — Title: none. Source: none. Article type: unclassified. Core viewpoint: blank. Information points: none. Entities involved: not identified. Time sensitivity: not assessed. Source quality: not assessed.”

Eight lines, eight blanks. The nine-dimension deep analysis the desk pushed onto my screen that morning contained no player, no surface, no first-serve percentage. It repeated one phrase: insufficient information to assess.

That was the first morning in more than forty years of carrying a notebook that I had nothing to write down. It was also the morning that taught me my craft is tested precisely when there is nothing to write.

A framework filled with gaps

Our newsroom runs two stages. Stage one reads the source text and extracts fixed fields: title, source, article type, core viewpoint, list of information points, named entities, time sensitivity, source quality. Stage two takes that output and expands it across nine dimensions: technical and tactical, data and form, tournament system and schedule, tour landscape and player positioning, rules and governance, team and player management, risk, media narrative, and industry transmission.

Those nine dimensions do not generate data. They only arrange data that already exists. When stage one returns a blank sheet, stage two has exactly one honest move: write “insufficient information to assess” into every cell and leave all nine dimensions open.

This is the worst week of the season to receive a blank sheet. The desk is running at full capacity for the pre-season rumor peak: entry lists, published schedules, sponsorship contracts, injury whispers leaking out of practice halls. The pressure is not to write well. It is to write now. A blank analysis, administratively speaking, looks more like a technical incident than a piece of journalism.

I disagree.

Internally, this handling has a name: the null-handling tag. It is used only when the input does not contain the data required to assess a field. It does not refuse the work; it describes the state of the information precisely. A proper sports analysis must be able to state what it lacks, rather than hiding the gap behind a plausible-sounding name.

Nine empty cells and the price of filling them

If I wanted to fill those eight blanks, I could do it in fifteen minutes. Forty years of watching tours have taught me which players are rising, which surfaces are changing rhythm, which break-point save rates are sliding. Pick a reasonable name, attach it to a tournament in the news, add a number that sounds familiar, and the analysis looks as full as any other on the front page.

But the forty-page notebook never lies. If no line in it reads “she saved four of five break points in the second set,” that sentence cannot appear in the piece. The rule is not high-minded ethics. It is mechanics: a fabricated detail dropped into an analysis germinates in three other places — the match preview, the odds board, and a young colleague's post-match interview, written in the belief that I had verified it.

My craft is built on numbers nobody watches. Tackles in the defensive third. Distance covered inside a tie-break. Cross-court forehands struck in the third game of a deciding set. People watch the goal; I watch the space behind the right back. None of it shows on the scoreboard, which is exactly why it has to be recorded before anyone forgets.

In the summer of 2026, I sat for three hours at Chicago Fire's training ground recording how Bastian Schweinsteiger dropped deeper and adjusted the positioning of young players around him. He scored four goals all season. Nemanja Nikolić, playing beside him, won the Golden Boot with twenty-four. My article mentioned no goals, and head coach Veljko Paunović shared it publicly. Since then I have stopped opening with a scoreline.

In 2026, in a World Cup semifinal, Andrej Kramarić scored the equalizer in the sixty-eighth minute and was also the hardest presser on the pitch, with four tackles in his own half. A male reporter laughed: “Women only know how to count tackles.” I did not argue. I handed him the notebook. Later, the continental federation cited that piece in its technical report.

Both stories end in the same place: non-scoring data, recorded at the right moment, outlasts every opinion.

That morning's report also listed three risk levels in priority order. Highest: stage one populated no field at all, so re-run it and verify the source text. Second highest: the entity list is empty, so confirm whether the original article contained proper names. Medium: title, source and article type are all blank, so verify the piece was ingested correctly and genuinely belongs to tennis. Those three lines were worth more than any praise.

A blank is a signal

In this industry, an analysis full of “insufficient information” reads as a failure. I think it is the most honest product of the week.

The reason is simple: every wrong analysis begins with one detail filled in for the sake of fullness. Nobody invents a whole article. Someone invents one cell — the entities cell, say — and every cell after it inherits a foundation. The nine dimensions become an amplifier: one wrong name at stage one becomes a wrong ranking at stage two, then a wrong claim on the evening bulletin.

What matters is that readers are drowning in rumors, and they do not need another confident voice. They need a filter. A line reading “insufficient information to assess,” placed correctly, is that filter: it tells the reader there is nothing here to believe yet, and nothing to build expectations on.

When everyone watches the ball, I only see the hand directing from the sideline. This time the hand points at the empty space, and the empty space is the answer.

There is one warm detail I want to keep. That afternoon I called a father I have known for years. He told me his daughter hit two hundred second serves every morning through the off-season, and no tournament covered it. He did not ask when she would be written about. He asked whether I was well. I wrote that line in the notebook, on the last page, the place I keep for things that never make the piece.

A training court has no spectators, but every answer is there.

The report also carried one sentence I want to keep verbatim: this document is for information-handling reference only, and does not constitute any betting advice. To someone thirty-three years into the job, that sentence matters more than any headline.

What to track next

The work now is not to fill the page. It is to re-run stage one on the source text: confirm the article entered the pipeline correctly, check whether a title and a source genuinely exist, verify whether the original contained proper names. Two signals will decide it: a deconstruction output with title, source and article type fully populated; and an entity list containing at least one name.

When those two signals appear, the nine dimensions open and the real analysis begins. Until then, the blank page remains the most trustworthy page on my desk.